Question

Three angles of a quadrilateral are respectively equal to 110°, 50° and 40°. Find its fourth angles.

Answer 1

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Answer 2

AnswEr:

GIVEN :

1st angle of Quadilateral = 110°

2nd angle of Quadilateral = 50°

3rd angle of Quadilateral = 40°

TO FIND :

4th angle of Quadilateral

SOLUTION :

We know that,

Sum of all angles of a quadilateral = 360°

Let fourth angle be x .

=> 110° + 50° + 40° + x = 360°

=> 200° + x = 360°

=> x = 360° - 200°

=> x = 160° .