Question

Find the complement of 2/5 of 1/3 of a right angle - with explanation please .

Answer 1

2/5 of 1/3 of a right angle = (2/5) × (1/3) × 90 = 12°

Complement of 12°
= 90° – 12°
= 78 degree


note:

complement of angle A
= 90-A