Question

the three angle of quadrilateral are 65 55 and 130 find its fourth angle

Answer 1

Angle sum property of quadrilateral
65 + 55+130 + x = 360
x = 110.
Here x is required angle

Answer 2

hey mate here is your answer,

let the fourth angle be x

65+55+130+x=360

250+x=360

x=360-250

x=110

hence, the fourth angle is 110.

I hope it will help you

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