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Prove measure 2 & measure 5 are supplementary

Prove measure 2 & measure 5 are supplementary-example-1
User Shyan
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1 Answer

3 votes

Answer:

Explanation:

∡4 = ∡2, ∡4 + ∡5 = 180°,

∡5 = 180° - ∡4

Since ∡2 = ∡4:

∡5 = 180° - ∡2
∡5 + ∡2 = 180° - ∡2 + ∡2
∡5 + ∡2 = 180°

User Ctpanchal
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