Question

class - 9th maths ch - 10 circle
Q -5 find X ​

Answer 1

Answer:

answer is 30 cm

Step-by-step explanation:

∆ a + + b + c = 180°

X + X + 30 = 180°

2 X + 30 = 180°

2x is = 180 - 30

2x = 150

2x ÷ 150°

x = 75°

75° + 75° + x = 180°

150° + x = 180°

x = 30°