Question

Three angles of a quadrilateral are 1100

, 500 and 400

. Find the fourth angle.​

Answer 1

Answer:

Let the fourth angle be x.

Given,

First angle = 110 degrees

Second angle = 50 degrees

Third angle = 40 degrees

Sum of all angles of Quadilateral = 360 degrees

Therefore,

110 + 50 + 40 + x = 360

=> 200 + x = 360

=> x = 360 - 200

=> x = 160

Therefore, The fourth angle = 160 degrees

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