Name _____________________________________ Class _________ Date ________________
Chapter 10 Study Guide
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 6 ft
2. regular hexagon with side length of 4 cm
3. isosceles triangle with legs each 20 ft long and a base 24 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.
8.
9.
and
A.
The ratio of perimeters of
C.
The ratio of areas of
. Which of the following is true?
to
to
is
is
.
B.
D.
.
none of the above
Find the area of each polygon. Round your answers to the nearest tenth.
10.
12. a regular octagon with apothem 9 ft
13. a regular hexagon with radius 8 in.
14. a regular pentagon with perimeter 50 cm
11.
Name _____________________________________ Class _________ Date ________________
15. Two sides of a rhombus form a 60 angle. The length of each side is 8. Explain how to find the area
of the rhombus, and then calculate the area.
16. EFGH is a parallelogram.
17. Find the area of trapezoid ABCD.
Find x to the nearest tenth.
For Exercises 18-22, leave your answers in terms of
18. Find the circumference of
19. Find the area of
20. Find the length of
.
.
.
.
21. Find the area of sector PNQ.
22. If the circumference of a circle is 10, find the length of the radius.
23. Find the area of the shaded segment to the nearest hundredth.
For each figure, find the probability that a random point is within the shaded area. Express your answer as a percent rounded to the nearest tenth.
24.
25.