Question

Two complementary angles are in the ratio of 7 : 8. Find the angles

Answer 1

let the angles be 7x and 8x
7x+8x=90
15x=90
x=6

Answer 2

complementary angles=90
7x+8x=90
15x=90
x=90/15
x=6

1st angle=7x=7×6=42
2nd angle=8x=8×6=48

verification=7x+8x=90
42+48=90
90=90

lhs=rhs
it is verified