Question

1.

Find m∠B, rounded to the nearest degree.

a.53°

b.35°

c.44°

d.65°

Answer 1

53°

Explanation:

Hypotenuse is the longest side and it is opposite to angle 90°

`\sf Sin \ B = (Opposite \ side \ of \ angle \ B)/(hypotenuse)\\\\`

`= (4)/(5)\\\\=0.8`

`B = Sin^(-1) \ (0.8)\\`

B = 53°