Question

(vi) Two supplementary angles are in the ratio 5:4 the angles are
(a) 90°. 90° (c) 100°, 80° (c) 110°, 70° (d) 120°, 00'​

Answer 1

Answer:

OPTION ( C)  100° , 80°

Ratio =  5:4

5x + 4x = 180°

⇒ 9x = 180°

⇒ x = 180/9

⇒ x = 20°

___________

5x = 5×20° = 100°

4x = 4×20° = 80°

Step-by-step explanation:

Answer 2

Answer:

see the image

hope it helps you ☺️