emilyap1614 emilyap1614

08-04-2019
Mathematics

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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 class=

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jimrgrant1 jimrgrant1

08-04-2019

Answer:

∠1

Step-by-step 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

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