Math, asked by Vrusha8367, 1 year ago

If the sum of two angles of a quadrilateral 198 and third angle is 92 then find 4 angle

Answers

Answered by snehaa2830

we know that sum of all the angles is 360°

snehaa2830: hi

snehaa2830: your idea isn't working

Answered by gadakhsanket

Hey dear,

● Answer -
4th angle = 70°

● Explaination -
Let a, b, c & d be measures of 4 angles of quadrilateral.

We know that sum of all angles of quadrilateral is 360°.
a + b + c + d = 360°

Given that a + b = 198° & c = 92°,
198 + 92 + d = 360
290 + d = 360
d = 360 - 290
d = 70°

Therefore, measure of 4th angle of the quadrilateral is 70°.

Hope this helps you...

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