Question

BC=
Round your answer to the nearest hundredth.

Answer 1

U can look online there are apps that give u the answers or look on safari!

Answer 2

1.71 = BC

Explanation:

take 70 degree as reference angle

using cos rule

cos 70 = adjacent / hypotenuse

0.3420 = BC / 5

0.3420*5 = BC

1.71 = BC