Warm-up 1.5 and 1.6 Triangles and Quadrilaterals Sketch, label, and mark the figure or write “not possible” and explain why. 1. Obtuse scalene triangle FAT with. 2. Trapezoid TRAP with TR AP and Angle TRA is a right angle 3. Equilateral right triangle 4. An equilateral triangle with perimeter 12a + 6b

Student of the day! Block 4

Student of the day! Block 5

Student of the day! Block 6

Homework answers to Pg 72 (1.7) #1 - 15

1.7 Answers continued…

1.5 Triangles

Triangle Sum Theorem True and False Remember the sum of all internal angles in a triangle is 180 degrees. Figure out the missing angle in the triangles below. True or False 1) A triangle can be right and obtuse. 2) An equilateral triangle can be obtuse as well. 3) A right triangle can also be isosceles.

1.6 Special Quadrilaterals A parallelogram has two pairs of parallel sides. A rhombus has four congruent sides. A rectangle has four right angles. A square has four congruent sides and four right angles. A trapezoid has exactly one pair of parallel sides. A kite has exactly two pairs of congruent, adjacent sides.

Quadrilateral Flow Chart

True and False with Quadrilaterals True and False 1) A rhombus is a parallelogram. 2) A square is a trapezoid. 3) A square is a rectangle. 4) A rectangle is a parallelogram

Whiteboard Review of 1.1 to 1.7 1)What type of polygon is equiangular and equilateral? 2) What term would you use to describe the circles below?

Whiteboard Review of 1.1 to 1.7 Slide 2 What term could be used to describe the angles 1 and 2 pictured in #3 and

Whiteboard Review of 1.1 to 1.7 Slide

Whiteboard Review of 1.1 to 1.7 Slide 4 Sketch out the figures described in 5 and Equiangular quadrilateral QRST. 8. Ray BD bisecting Acute Angle ABC.

Whiteboard Review of 1.1 to 1.7 Slide 5 9. Name all chords. 10. Name all major arcs.

Common Quiz Errors Pay attention to symbols and h.w. answers: Consecutive means next to each other. There is a lot of vocabulary and symbols in chapter 1 and we use them all year. Find a way to learn them.

Homework and Notebook Check Pg 62 #1 – 8 and Pg 66 #1 – 13 Next block is the notebook check There must be a warm-up to go with each of these notes. You only get one chance AND it has to be in order. 1)1.1 Building Blocks of Geometry 2)1.2 Poolroom Math (About angles) 3)1.3 What’s a Widget? 4)1.4 Polygons and Midpoint 5)1.7 Parts of a Circle 6)1.5 and 1.6 Triangles and Special Quadrilaterals 7) 1.8 and 1.9 Space Geometry and a Picture is Worth …