In ΔCDE, the measure of ∠E=90°, the measure of ∠C=43°, and CD = 95 feet. Find the length of EC to the nearest tenth of a foot.

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Kevin Campion asked May 8, 2022

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In ΔCDE, the measure of ∠E=90°, the measure of ∠C=43°, and CD = 95 feet. Find the length of EC to the nearest tenth of a foot.

In ΔCDE, the measure of ∠E=90°, the measure of ∠C=43°, and CD = 95 feet. Find the-example-1

Mathematics
college

Kevin Campion asked May 8, 2022

by Kevin Campion

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69.5 is the answer I’m sure

Jerameel Resco answered May 10, 2022

by Jerameel Resco

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18 votes

9514 1404 393

Answer:

69.5

Explanation:

The useful trig relation in this case is ...

Cos = Adjacent/Hypotenuse

cos(43°) = x/95

x = 95×cos(43°) ≈ 69.5 . . . . feet

Tomsseisums answered May 14, 2022

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