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Pls help me solve for r
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19 votes
Pls help me
solve for r

Pls help me solve for r-example-1
User GMaster
by
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1 Answer

2 votes

Answer: r = 16

Explanation:

We know that triangle ABC is a right triangle.

Therefore, we can use the pythagorean theorem to solve for r.

r^2 + 30^2 = (r+18)^2

r^2 + 900 = r^2 + 36r + 324

Combine like terms:

36r = 576

Divide both sides by 36:

r = 16

User Tryliom
by
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