3 years ago

Find the radius y of circle C, given that x = 12 and z = y + 8.

Mathematics

1 answer:

aivan3 [116]3 years ago

6 0

Answer:

y = 5

Step-by-step explanation:

use Pythagorean theorem

z² = x² + y²

(y + 8)² = 12² + y²

y² + 16y + 64 = 144 + y²

16y = 80

y = 5

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