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Pls help me i will mark as brain list if correct

Pls help me i will mark as brain list if correct-example-1
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User Chibuzo
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1 Answer

4 votes

Answer:

Explanation:

it has 5 edges

(b) let the third side be X

X+40+50=180 (angles on a straight line)

x=180-40-50

X=180-90

X= 90 degreedegrees

User Moggi
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