04-04-2021
Mathematics

contestada

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 E90 the measure of C43 and CD 95 feet Find the length of EC to the nearest tenth of a foot class=

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sqdancefan sqdancefan

04-04-2021

9514 1404 393

Answer:

69.5

Step-by-step explanation:

The useful trig relation in this case is ...

Cos = Adjacent/Hypotenuse

cos(43°) = x/95

x = 95×cos(43°) ≈ 69.5 . . . . feet

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emmy1078 emmy1078

04-04-2021

69.5 is the answer I’m sure

Answer Link

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