Math, asked by afrinsafarullapbwfnp, 11 months ago

Three angles of a quadilateral are 75°, 90° and 65°. Find the fourth angle.​

Answers

Answered by AkshatZayn
7

We know that sum of all the angles of a quadrilateral is 360°

let the fourth angle be <4

75° + 90° + 65° + <4 = 360°

=> 230° + <4 = 360°

=> <4 = 360° - 230°

=> <4 = 130°

Answered by Nehu1419
1
Let X be the 4th angle
As we know

75°+90°+65°+X=360
230+X. =360
X=. 360-230
X=. 130°
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