Math, asked by vijaymurmu82, 17 days ago

3 angles of a quadrilateral are 75°, 90° and 60°. Find the 4th angle of quadrilateral

Answers

Answered by kshrijagupta58

1

Answer:

Step-by-step explanation:

Sum of angles of quadrilateral = 360

Let 4th angle be x

75 + 60 + 90 + x = 360

225 + x = 360

x = 360 - 225

x= 135

So. 4th angle is 135

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