Q. 65.0( 1 Vote )
In the given figure, ACB is a straight line and CD is a line segment such that ∠ACD = (3x – 5)° and ∠BCD = (2x + 10)°. Then, x = ?

A. 25
B. 30
C. 35
D. 40
Answer :
3x – 5 + 2x + 10 = 180 (linear pair of angles)
5x + 5 =180
5x = 175
X = 175/ 5 = 35
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