Question

if (3x-15°) and (x+5°) are complementary angles find the angles

Answer 1

According to question,

3x - 15 + x +5 = 90

=> 4x - 10 = 90

=> 4x = 100

=> x = 25

First angle = 60°

Second angle = 30°

Answer 2

3x-15+x+5=90
4x-10=90
4x=100
x=100/4
x=25
so 3x25-15=60
25+5=30