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What is m ZLMN? OA) 40° OB) B) 60° OC) 75° OD) 80°
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What is m ZLMN?
OA) 40°
OB)
B) 60°
OC) 75°
OD) 80°

What is m ZLMN? OA) 40° OB) B) 60° OC) 75° OD) 80°-example-1
User Saddam
by
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1 Answer

9 votes

Answer:

A

Explanation:

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

100° is an exterior angle of Δ MLN , then

∠ LMN + 60° = 100° ( subtract 60° from both sides )

∠ LMN = 40°

User Sergeyne
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