Question

The angel and its supplementary angle are in the ratio 4: 5 then that the angles

Answer 1

Step-by-step explanation:

given 4x + 5x = 180°

so 9x= 180°

x= 20

so angles are 4 × x=4×20= 80 and

5 × x=5×20=100

therefore angles are 80°and 100°