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Please help solve this (geometry)

Please help solve this (geometry)-example-1
User HV Sharma
by
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1 Answer

4 votes

Answer:

∠ 3 = 140°

Explanation:

∠ 4 and ∠ 3 are same- side exterior angles and sum to 180° , then

∠ 3 = 180° - ∠ 4 = 180° - 40° = 140°

User Moad Ennagi
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