# Solving For Side Lengths Of Right Triangles

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Which equation can be used to solve for C?
sin(50)=3/c
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Which relationship in the triangle must be true?
sin(b)=cos(90-b)
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What is the length of AC? Round to the nearest tenth?
10.5 m
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Which equation can be used to solve for b?
tan(30)=5/b
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Which equation can be used to solve for b?
b=(8)tan=(30)
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What is the length of AB? Round to the nearest tenth.
38.6
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A right triangle has one side that measures 4 in. The angle opposite that side measures 80o. What is the length of the hypotenuse of the triangle? Round to the nearest tenth.
4.1 inches
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What is the length of CD?
10.7 cm
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What is the length of AB? Round to the nearest tenth?
d. 38.6 m
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A ramp leading into a building makes a 15Â° angles with the ground. The end of the ramp is 10 feet from the base of he building. Approximately how long is the ramp? Round to the nearest tenth.
10.4 feet
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What is the approximate value of x? Round to the nearest tenth.
c. 4.6 cm
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Which equation can be solved to find one of the missing side lengths in the triangle?
d. cos(60Â°) = a/12
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A right triangle has one side that measures 4 in. The angle opposite that side measures 80Â°. What is the length of the hypotenuse of the triangle. Round to the nearest tenth.
b. 4.1 in.
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The equation sin(40Â°) = b/20 can be used to determine the length of line segment AC. What is the length of AC? Round to the nearest tenth.
12.9 cm
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What is the length of BC? Round to the nearest tenth.
c. 14.5
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Which relationship in the triangle must be true?
b. sin(B) = cos(90 - B)
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Right triangle ABC is shown. Which equation can be used to solve for c?
a. sin(50Â°) = 3/c
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A triangle has angles that measure 30Â°, 60Â°, and 90Â°. The hypotenuse of the triangle measures 10 inches. Which is the best estimate for the perimeter of the triangle? Round to the nearest tenth.
c. 23.7 in.
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A right triangle has a 30Â° angle. The leg adjacent to the 30Â° angle measures 25 inches. What is the length of the other leg? Round to the nearest tenth.
a. 14.4 in.
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Find the length of AC. Use the length to find the length of CD. What is the length of CD? Round to the nearest tenth.