vanessaperdomo2004 vanessaperdomo2004

01-05-2020
Mathematics

contestada

A skateboarding ramp is 12 in. high and rises at an angle of 21°. How long is the base of the ramp? Round to the nearest inch.

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lexihachey lexihachey

01-05-2020

Answer:

the base of the ramp is 31 inches long.

Step-by-step explanation:

c = a/sin(α)

= 33.48514

b = √c2 - a2

= √33.4851373155042 - 122

= √977.25442103816

= 31.26107

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