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3 years ago

13

I need help fast geometry is impossible

2 answers:

Ierofanga [76]3 years ago

8 0

Answer:

D. 8

Step-by-step explanation:

DC = AC = x is the radius

<u>Using the Pythagorean theorem, find x:</u>

(x + 9)² - x² = 15²
x² + 18x + 81 - x² = 225
18x = 225 - 81
18x = 144
x = 144/18
x = 8

Vikki [24]3 years ago

6 0

Answer:x = 8

Step-by-step explanation:

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