Question

Three of the angle of a quadrilateral are 65°, 90°,and 150 , find the forth angle.​

Answer 1

Answer:

55°

Step-by-step explanation:

360°-(65+90+150)

360-305

55°

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Answer 2

sum of all angles of quadrilateral is 360°

therefore,

360°-(65°+90°+150°)

360°-305°

55°

hence, fourth angle of quadrilateral is 55°

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