Question

Can someone help me with this question "Given the triangle below, what is m (angle) < B, rounded to the nearest tenth?

Answer 1

C. 55.4

Explanation:

Answer 2

the answer
the sum of the angles in a triangle is always 180°
m < B + m < A + m < C = 180°,
let's find m < B,
by applying sinus rule
14/sinB=10/sinC, so sinB= 10xsinB = 14 x sinC and therefore,
sinB=( 14/10 )sinC =7/2 sin 36° =0.82, so arcsinB=55.08°
the answer is C 55.4°