Question

[ Trigonometry ]

Find the measure of angle B
Type the correct answer rounded to one decimal place.

Answer 1

Hello from MrBillDoesMath!

Answer:

B = 67.4 degrees (approximately)

Discussion:

From plane trigonometry

sin(B) = side opposite angle B \ hypotenuse

= 12/13

Use a calculator (take the inverse sine of 12/13) gives

B = 67.4

Thank you,

MrB