BasicsGeo TermsLinesTrianglesMore triangles

Describe these shapes

Congruent 100

Describe these shapes

Similar 200

Name all the types of symmetry this object has

Vertical and horizontal line And rotational symmetry 300

Find the midpoint between (7, 4) and (1, -2)

(4, 1) 400

Find the slope of the line that contains (2, 3) and (-1, 4).

m = -1/3 500

Describe this picture

Ray 100

x 54° If the entire angle is 121° what is the value of x?

67° 200

Draw a segment bisector

Check answer 300

What is the contrapositive of If angle A is obtuse, then the measure of angle A is 120°.

If the measure of angle A is not 120°, then angle A is not obtuse,. 400

Give an example of the symmetric property.

If a = b, then b = a. 500

How many right angles do perpendicular lines form?

4 100

Describe the angles 1 2

Corresponding Angles 200

Solve the system y + 2x = 1 y – 1/2x = 1

(0, 1) 300

Given the lines are parallel what can you tell about the given angles 1 2

Supplementary 400

Give two different ways to prove the lines are parallel

Alt int angles congruent Alt ext angles congruent Corr angles congruent Cons int angles supp 500

Categorize the triangle (2 ways)

Right scalene 100

Solve for x x

40 200

How can you prove the triangles are congruent?

HL 300

Give all the steps needed in a proof to prove the triangles are congruent. Given: AB is parallel and congruent to CD A B CD

Angle BAC is congruent to angle ACD- alt int AC congruent to self- reflexive Triangle BAC congruent to triangle DCA- SAS 400

See next slide

Give all the steps needed in a proof to prove AD congruent to BC Given: AB is parallel and congruent to CD A B CD

Angle BAC is congruent to angle ACD- alt int AC congruent to self- reflexive Triangle BAC congruent to triangle DCA- SAS AD congruent to BC- CPCTC 500

Describe AB

Perpendicular bisector 100

The point of concurrency of the perpendicular bisectors

Circumcenter 200

The point of concurrency of the angle bisectors

Incenter 300

The point of concurrency of the medians is always where?

Inside the triangle (the center of gravity) (2/3 the distance from the vertex to the midpoint of the opposite side) 400

Where is the orthocenter of an obtuse triangle?

Outside the triangle 500