Name _____________________________________ Class ____________ Date _____________
Chapter Test
Chapter 10
Form B
Find the area of each figure described or shown. If your answer is not an integer, round to
the nearest tenth.
1. equilateral triangle with side length of 16 ft
2. regular octagon with side length of 11.6 cm and apothem of 14 cm
3. isosceles triangle with legs each 9 ft long and base 12 ft long
4.
5.
6.
For each pair of similar figures, find the ratio of the area of the first figure to the area of
the second.
7.
9.
8.
and
A. The ratio of areas of
C. The ratio of perimeters of
. Which of the following is true?
to
is
to
.
is
B.
.
D. none of these
Find the area of each polygon. Round your answers to the nearest tenth.
10.
11.
Name _____________________________________ Class ____________ Date _____________
Chapter Test (continued)
Chapter 10
Form B
12. JKLM is a rhombus.
Find x to the nearest tenth.
13. Find the area of the regular pentagon
to the nearest whole number.
For Exercises 14–17, leave your answers in terms of
14. Find the circumference of
15. Find the area of
16. Find the length of
.
O.
O.
.
17. Find the area of sector ABC.
18. Find the area of the shaded sector to the nearest tenth.
19. A circle has circumference
. What is its area in terms of
20. A circle has diameter 8 in. What is the area in terms of
central angle?
?
of a sector of the circle with a