Applications For Triangles Worksheet With Answer Key - Garnet Valley School District Page 11
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16____ 46. A circular dartboard has a radius of 2 meters and a red circle in the center. Assume you hit the target at a
random point. For what radius of the red center region does P(hitting red) = 0.6?
a. 77 m
b. 1.2 m
c. 1.55 cm
d. 1.32 m
47. The regular polygon has radius 9 m. Find each angle measure to the nearest tenth of a degree, each linear
measure to the nearest tenth of a meter, and the square measure to the nearest square meter.
G
H
F
A
O
X
E
B
D
C
a.
b.
c.
OX
d.
AB
e.
the perimeter
f.
the area
Essay
48.
a.
Find the area of a regular hexagon with sides 2 cm long. Leave your answer in simplest
radical form.
b.
Use your answer from part (a) to find the area of a regular hexagon of side length 8.
49. An outdoor deck for a new restaurant forms a square with radius 30 feet.
a.
Draw and label a diagram of the deck. Explain your diagram.
b.
Find the perimeter of the deck. Explain your method for finding the perimeter.
c.
Find the area of the deck. Explain your method for finding the area.
d.
Show a method for finding the area of the deck that is different from the method you
used in part (c).
50. Use this triangle.
???
7 in.
???
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