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Geometry B
Unit 5 Quiz Review
Name
Date
Block
For questions 1-3, use the figures A, B, C, and D below.
A.
B.
C.
D.
1. Which of the following figures above is not a polygon? Explain why.
2. Which of the following figures above is a regular convex polygon? Explain why.
3. Which of the following figures above is an irregular concave polygon? Explain why. (2 pt)
4. What are the three characteristics of a polygon?
1)
2)
3)
For each of the following, be sure to show work or explain your reasoning.
5. What is the sum of the measures of the interior angles of a convex 25-gon?
6. What is the sum of the measures of the exterior angles of a convex 36-gon?
7. What is the measure of each exterior angle of a regular decagon?
8. What is the measure of each interior angle of a regular 50-gon?
9. Find the measure of each angle in the hexagon?
Draw one exterior angle at each vertex of the hexagon.
Find the measure of each exterior angle at each vertex.
10. Find the area of the regular pentagon. Round to the nearest tenth.
11. Draw a regular heptagon with a side length of 2 cm.
12. Determine whether each figure has line symmetry. If so, draw all of the lines of symmetry.
a. Regular Hexagon
b. Scalene Triangle
13. Determine whether each figure has rotational symmetry. If so, give the angle of rotational symmetry
and the order of rotational symmetry.
a. Rectangle
b. Regular Octagon
Order:
Order:
Angle of rotation:
Angle of rotation: