A ramp leading into a building makes a 15° angle with the ground. The end of the ramp is 10 feet from the base of the building.
Approximately how long is the ramp? Round to the nearest tenth. 10.3 feet 10.4 feet 13.2 feet 38.6 feet
2 answers:
Answer:
B
Step-by-step explanation:
I took the test and got it right
Answer:
10.4feet
Step-by-step explanation:
The set up wil form a right triangle
Length of the ramp is the hypotenuse
The length of the end of the ramp from the base= 10 feet (adjacent)
Angle of elevation = 15 degrees
Required
Length of the ramp
Using SOH CAH TOA
Cos theta = adj/hyp
cos 15 = 10/L
L = 10/cos15
L = 10/0.9659
L = 10.35
L ≈ 10.4 feet
Hence the length of the ramp is 10.4feet
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