2 years ago

Given the regular nonagon, solve for x and y.

Mathematics

1 answer:

trapecia [35]2 years ago

7 0

Step-by-step explanation:

9x = 360 (circle angle = 60°)

x = 40

2y + 40 = 180 (sum of interior angles of a triangle)

2y = 180 - 40

2y = 140

y = 70

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