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The sum of the measures of angles 2 and 3 is equal to the measure of ? .
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The sum of the measures of angles 2 and 3 is equal to the measure of ? .

The sum of the measures of angles 2 and 3 is equal to the measure of ? .-example-1
User WendiKidd
by
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1 Answer

3 votes

Answer:

∠1

Explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠1 is an exterior angle and ∠' s 2 and 3 are the opposite interior angles.

Hence

∠2 + ∠3 = ∠1

User Azendh
by
9.1k points
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