Question

The angles of a quadrilateral are 90 ,80 ,125 and x. find the value of x.​

Answer 1

Answer:

x=65

Step-by-step explanation:

90+80+125+x= 360 degree (sum of angles of quadrilateral)

295+x=360degree

x= 360-295

x= 65 degree

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Answer 2

$\huge \underbrace { \underline{ \sf Answer}}$

As we know that sum of all angles of a quadrilateral is 360°

So:-

90°+80°+125°+x=360

[•°•Angle sum property of quadrilateral]

➠295+x=360°

➠x=360°-295°

➠x=65°

So value of x is 65°

More to know!✎

Angle sum property of ∆

➥Sum of all angles of a triangle is 180°