Question

The sum of the angle measures of a quadrilateral is 360°. Write and solve an equation to find the value of .

76°
to
122°
92°
The equation is
360

Answer 1

let the unknown no.be x

therefore, 76+122+92+x = 360

= 198+92+x = 360

= 290+x = 360

x=360-290

x= 70degree

hope this is helpful,

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