CP Geometry SM2 Review

The sum of the interior angle measures of a polygon is 3,420°. How many sides does the polygon have?

• 18

• 19

• 20

• 21

What is the measure of one exterior angle of an octagon?

• 15°

• 45°

• 90°

• 135°

Given parallelogram DEFG, find m∠G.

• 67°

• 71°

• 109°

• 113°

In rhombus JKLM, if m∠K = 112°, find m∠LM.

• 98°

• 104°

• 112°

• 142°

If WXYZ is a rectangle, Z is located at (-4, -5) and Y is located at (-1, -7), find the slope of WZ.

• 2/3

• 3/2

• -2/3

• -3/2

If the scale factor of Figure A to Figure B is 3:8, find the value of x.

• 25

• 19

• 9

• 64

Which statement best describes triangle similarity?

• Two triangles are similar if their corresponding angles are congruent and their corresponding sides are proportional.

• Two triangles are similar if they have the same area but different angles.

• Two triangles are similar if they have the same perimeter but different side lengths.

• Two triangles are similar if they have the same shape but different sizes.

Given ΔDEF, if DE = 50 inches and EF = 19 inches, what is m∠D to the nearest tenth of a degree?

• 16.1°

• 18.5°

• 20.7°

• 22.3°

Give the equation of the circle (x+5)² + (y-1)² = 16, which correctly gives the center and radius of the circle?

• (-5, 1); r = 4
• (5, -1); r = 16

In ΔXYZ, if m∠X = 45° and m∠Y = 60°, what is m∠Z?

• 75°

• 85°

• 55°

• 65°