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4 years ago

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

Mathematics

1 answer:

Masja [62]4 years ago

7 0

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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