islaisdatingyourdad islaisdatingyourdad

20-11-2020
Mathematics

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Explain why a +b=d.

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isaacmr isaacmr

20-11-2020

Answer:a + b + c = 180 ( sum of angles in a triangle )

c + d = 180 ( adjacent angles are supplementary ), thus

a + b + c = c + d ( subtract c from both sides )

a + b = d

Step-by-step explanation:

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