# Beat the Computer! Geometry Vocabulary for Unit 3

## Presentation on theme: "Beat the Computer! Geometry Vocabulary for Unit 3"— Presentation transcript:

Beat the Computer! Geometry Vocabulary for Unit 3
Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
Directions: A slide will appear with a term Say the definition aloud before the computer can answer (5 sec.) You will hear a sound when the slide changes Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
transversal t l m 1 2 7 4 5 8 3 6 Chris Giovanello, LBUSD Math Curriculum Office, 2004

a line that intersects two coplanar lines at two distinct points
transversal: a line that intersects two coplanar lines at two distinct points t l m 1 2 7 4 5 8 3 6 Line t is the transversal for lines l and m. Chris Giovanello, LBUSD Math Curriculum Office, 2004

alternate interior angles
m 1 2 7 4 5 8 3 6 Chris Giovanello, LBUSD Math Curriculum Office, 2004

alternate interior angles:
nonadjacent interior angles that lie on opposite sides of the transversal t l m 1 2 7 4 5 8 3 6 Alternate interior ’s: 3 & 5 4 & 6 Chris Giovanello, LBUSD Math Curriculum Office, 2004

same-side interior angles
1 2 7 4 5 8 3 6 Chris Giovanello, LBUSD Math Curriculum Office, 2004

same-side interior angles:
interior angles that lie on the same side of the transversal Same-side interior ’s: 3 & 6 4 & 5 t l m 1 2 7 4 5 8 3 6 Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
corresponding angles t l m 1 2 7 4 5 8 3 6 Chris Giovanello, LBUSD Math Curriculum Office, 2004

corresponding angles:
angles that lie on the same side of the transversal and are in corresponding positions Corresponding ’s: 1 & 5 2 & 6 3 & 7 4 & 8 t l m 1 2 7 4 5 8 3 6 Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
two-column proof Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
two-column proof: a convincing argument that uses deductive reasoning in which the statements and reasons are aligned in columns Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
flow proof Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
flow proof: a convincing argument that uses deductive reasoning in which arrows show the logical connections between the statements Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
equiangular triangle Chris Giovanello, LBUSD Math Curriculum Office, 2004

equiangular triangle: a triangle that has three congruent angles
Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
acute triangle Chris Giovanello, LBUSD Math Curriculum Office, 2004

a triangle that has three acute angles
acute triangle: a triangle that has three acute angles Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
right triangle Chris Giovanello, LBUSD Math Curriculum Office, 2004

a triangle that has one right angle
right triangle: a triangle that has one right angle Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
obtuse triangle Chris Giovanello, LBUSD Math Curriculum Office, 2004

a triangle that has one obtuse angle
obtuse triangle: a triangle that has one obtuse angle Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
equilateral triangle Chris Giovanello, LBUSD Math Curriculum Office, 2004

equilateral triangle: a triangle that has three congruent sides
Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
isosceles triangle Chris Giovanello, LBUSD Math Curriculum Office, 2004

a triangle that has at least two sides congruent
isosceles triangle: a triangle that has at least two sides congruent Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
scalene triangle Chris Giovanello, LBUSD Math Curriculum Office, 2004

a triangle that has no sides congruent
scalene triangle: a triangle that has no sides congruent Chris Giovanello, LBUSD Math Curriculum Office, 2004

exterior angle of a polygon
Chris Giovanello, LBUSD Math Curriculum Office, 2004

an angle formed by a side and an extension of an adjacent side
exterior angle of a polygon: an angle formed by a side and an extension of an adjacent side Exterior angle Chris Giovanello, LBUSD Math Curriculum Office, 2004

remote interior angles of a triangle
Chris Giovanello, LBUSD Math Curriculum Office, 2004

remote interior angles of a triangle:
the two nonadjacent interior angles corresponding to each exterior angle Exterior angle Remote interior angles Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
polygon Chris Giovanello, LBUSD Math Curriculum Office, 2004

polygon: a closed plane figure with at least three sides that are segments No! Yes! No! Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
convex polygon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon that has no diagonal with points outside the polygon
convex polygon: a polygon that has no diagonal with points outside the polygon Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
concave polygon Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
concave polygon: a polygon that has at least one diagonal with points outside the polygon Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
quadrilateral Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with four sides
quadrilateral: a polygon with four sides Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
pentagon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with five sides
pentagon: a polygon with five sides Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
hexagon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with six sides
hexagon: a polygon with six sides Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
heptagon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with seven sides
heptagon: a polygon with seven sides Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
octagon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with eight sides
octagon: a polygon with eight sides Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
nonagon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with nine sides
nonagon: a polygon with nine sides Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
decagon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with ten sides
decagon: a polygon with ten sides Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
dodecagon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with twelve sides
dodecagon: a polygon with twelve sides Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
equilateral polygon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with all sides congruent
equilateral polygon: a polygon with all sides congruent Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
equiangular polygon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon with all angles congruent
equiangular polygon: a polygon with all angles congruent Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
regular polygon Chris Giovanello, LBUSD Math Curriculum Office, 2004

a polygon that is both equilateral and equiangular
regular polygon: a polygon that is both equilateral and equiangular Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
slope-intercept form Chris Giovanello, LBUSD Math Curriculum Office, 2004

slope-intercept form: a linear equation in the form of
y = mx + b Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
standard form Chris Giovanello, LBUSD Math Curriculum Office, 2004

a linear equation in the form of
standard form: a linear equation in the form of Ax + By = C Chris Giovanello, LBUSD Math Curriculum Office, 2004

Chris Giovanello, LBUSD Math Curriculum Office, 2004
point-slope form Chris Giovanello, LBUSD Math Curriculum Office, 2004

a linear equation in the form of
point-slope form: a linear equation in the form of y - y1 = m(x - x1) Chris Giovanello, LBUSD Math Curriculum Office, 2004

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