3 years ago

Solve for x. 21) 60° 8x 80°

Mathematics

1 answer:

Elden [556K]3 years ago

7 0

Answer:

x = 5

Step-by-step explanation:

Sum of angles = 180, so

60 + 80 + 8x = 180

140 + 8x = 180

8x = 180 - 140 = 40

x = 40/8 = 5

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