Question

xº
zº
с
A
B
18. Two adjacent angles on a straight line are in ratio 3:7. Find the measure of each of these
angles.
19. In fig, AB is a mirror, PQ is the incident ray and QR the reflected ray.​

Answer 1

Answer:

Split 180 degrees in Ratio of 3:7

a = 3/10*180 = 54

b= 7/10*180 = 126

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