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Find the unknown angles by using exterior angle property of the triangle ​

Find the unknown angles by using exterior angle property of the triangle ​-example-1

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Answer:

x=110°

Explanation:

Here

120°+130°+x=360°[sum of exterior angle of a triangle is 360°]

or,250°+x=360°

or,x=360°-250°

or,x=110°

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