Question

Three angles of a quadrilateral are 60°, 30° and 113°. Find its fourth angle.
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Answer 1

Answer:

157

Step-by-step explanation:

sum of all angle of quadrilateral is 360. so subtract all given angles from 360.

Answer 2

Answer:

let the fourth angle be x°

60 °+ 30 °+ 113°+ x° = 360°

203°+ x° = 360°

x°=360°- 203°

x° =157° Ans