Question

Q.11. Find the value of
in each of the figure given below:-
1200
(x+3)
(2x+25)
Q.12. An angle is five times its complement. Find the angle.
Q.13. Two supplementary angles are in the ratio 2:3. Find the angles.
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Answer 1

12

x=5(90-x)

x=450-5x

6x=450

x=75°

13

2x+3x=180°

x=36°

angles are 72° and 108°