Question

If a = 3 and c = 10, find the measure of angle B.

Round to the nearest tenth.​

Answer 1

Answer: 72.5

Explanation:

It’s not 72.54 because it’s not rounded to the nearest tenth when it’s rounded to the nearest tenth its 72.5 hope this helps :)

Answer 2

∠B = 72.54°

Explanation:

angle B:

• Cos(B) = adj/hyp

• Cos(B) = 3/10

• Cos⁻¹(0.30)

• ∠B = 72.54°