if three angles of a quadrilateral are 115,108 and 92 find the fourth angle.
Answers
Answered by
0
Answer:
Fourth angle=360-(115+108+92)
=360-315
=45
Step-by-step explanation:
Sum of Angle of quad. is always 360 degree.
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Answered by
1
Answer:
The sums of all the angles of a quadrilateral is 360°.
∴ ∠A + ∠B + ∠C + ∠D = 360°
⇒ 115 + 108 + 92 + ∠D = 360
⇒ 315 + ∠D = 360
⇒ ∠D = 360 - 315 = 45
∴ ∠D = 45°
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