Question

103. If the measurement of three angles of a
quadrilateral is 90°, 80° and 110°. Find the
measurement of fourth angle.​

Answer 1

80°.

khusiraj .

uklclvv

Answer 2

let X is the fourth angle

90°+80°+110°+X=360°

280°+X=360°

X=360°-280°

X=80°

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