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LiRa [457]
3 years ago
5

The ramp rises 20 degrees from the ground and a vertical distance of 30 inches . How much horizontal distance does the ramp cove

r ? Round to the nearest tenth
Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
5 0
We can see  a right triangle in this problem,
where a vertical distance is a leg that opposite to the angle 20⁰ , and horizontal distance is an adjacent leg to the 20⁰ angle.
So, 
tan (20⁰) = opposite leg/adjacent leg 
tan (20⁰) = vertical distance/horizontal distance
tan (20⁰) = 30 /horizontal distance

horizontal distance= 30/tan(20⁰) ≈ 82.4 in.
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