In ΔBCD, the measure of ∠D=90°, the measure of ∠B=8°, and BC = 6.4 feet. Find the length of DB to the nearest tenth of a foot.

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asked Aug 6, 2022 41.5k views

4 votes

In ΔBCD, the measure of ∠D=90°, the measure of ∠B=8°, and BC = 6.4 feet. Find the length of DB to the nearest tenth of a foot.

Mathematics
high-school

Brian Brinley asked

by Brian Brinley

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2 Answers

4 votes

Answer:

6.3

Explanation:

Kinder Chen answered Aug 7, 2022

by Kinder Chen

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6 votes

Answer:

6.3 feet

Explanation:

cosB= hypotenuse/adjacent = x/6.4

cos8 = x/6.4

6.4 cos8= x

x= 6.3377 = 6.3 feet

Himanshu A Jadav answered Aug 13, 2022

by Himanshu A Jadav

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