Bc= ???
Round your answer to the nearest hundredth.

bc = 1.71

Step-by-step explanation:

Use cosine

Cosine = Adjacent / Hypotenuse

Cos70° = ? / 5

0.342 = ? / 5

Multiply 5 on both sides

0.342 x 5 = ? / 5 x 5 <-- this gets cancelled out

1.71 = ?

0.65

Step-by-step explanation:

In order to get a percent, you times a 100 to the number. In order to find the number, you have to divide it by a 100, leaving 0.65

Hope this helps!