Question

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.

Answer 1

Answer:

6.3

Step-by-step explanation:

Answer 2

Answer:

6.3 feet

Step-by-step explanation:

cosB= hypotenuse/adjacent = x/6.4

​cos8 = x/6.4

6.4 cos8= x

x= 6.3377 = 6.3 feet