1.

In the above figure, ACB is astraight line andAngle ACD: Angle DCB = 2:1. Find AngleDCB.​

Answer»

B is a straight line.∠ACD:∠DCB = 2:1To Find∠DCB = ?Solⁿlet ∠ACD be 2X and ∠DCB be X.∵ ACB is a straight line∴ ∠ACD+∠DCB = 180°⇒ 2x + x = 180°⇒ 3X = 180°⇒ x = 180°/3⇒ x = 60°


Discussion

No Comment Found

Related InterviewSolutions