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2 years ago

PLEASE HELP!!! 13 + 7 POINTS!!! THANK YOU!

Mathematics

1 answer:

grin007 [14]2 years ago

6 0

Answer:

7 inches

Step-by-step explanation:

Using Pythagoras' theorem on the right triangle, that is

r² + 11² = 13²

r² + 121 = 169 ( subtract 121 from both sides )

r² = 48 ( take the square root of both sides )

r = $\sqrt{48}$ ≈ 7 in ( to the nearest inch )

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