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So confused pls help me

So confused pls help me-example-1
User Eleen
by
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1 Answer

5 votes

Answer:


a=49

Explanation:

The angle having value
(a+49)\textdegree is the exterior angle.

Exterior angle of a triangle is equal to the sum of the other two opposite angles.

Hence


a+49=a+a\\\\a+49=2a\\\\2a=a+49\\\\2a-a=49\\\\a=49

User Anukul
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4.3k points