3 years ago

Which angle relationship would you use to prove that x = 20

1 answer:

jolli1 [7]3 years ago

5 0

Answer:

Supplementary Angles add up to 180°

Step-by-step explanation:

(2x + 5) + (8x - 25) = 180

10x -20 = 180

10x = 200

x = 20

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