Applications For Triangles Worksheet With Answer Key - Garnet Valley School District Page 3
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1613.07 in.
10 in.
2
2
2
2
a. 176.6 in.
b. 966.1 in.
c. 80.0 in.
d. 483.0 in.
____ 15. You are planning to use a ceramic tile design in your new bathroom. The tiles are blue and white equilateral
triangles. You decide to arrange the blue tiles in a hexagonal shape as shown. If the side of each tile measures
7 centimeters, what will be the exact area of each hexagonal shape?
7 cm
2
2
a.
b.
c. 21 cm
d. 1029 cm
2
2
73.5
cm
98
cm
____ 16. Find the area of an equilateral triangle with radius 8
m. Leave your answer in simplest radical form.
a.
b.
c.
d.
2
2
2
2
96
144
18
12
m
m
m
m
____ 17. A regular hexagon has a perimeter of 150 m. Find its area. Leave your answer in simplest radical form.
a.
b. 1875
c.
d. 5625
25
2
2
2
2
5625
m
m
m
m
2
4
2
The figures are similar. The area of one figure is given. Find the area of the other figure to the nearest
whole number.
____ 18. The area of a regular octagon is 35 cm . What is the area of a regular octagon with sides three times as large?
a.
b.
c.
d.
315 cm
225 cm
175 cm
105 cm
Find the area of the regular polygon. Give the answer to the nearest tenth.
____ 19. pentagon with side 10 cm
a.
b.
c.
d.
344.1 cm
34.4 cm
137.6 cm
172 cm
____ 20. hexagon with side 8 yd
a.
b.
c.
d.
332.6 yd
12 yd
41.6 yd
166.3 yd
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