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If AB=7 and AO=17.4. What is the length of the radius(r) ? Round the answer to the nearest tenth.
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If AB=7 and AO=17.4. What is the length of the radius(r) ? Round the answer to the nearest tenth.

User Jonathan Davies
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please tell me you've got the answers
User Justin Jasmann
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The angle the radius makes with AB is a right angle, so the Pythagorean theorem applies.
r² = 17.4² - 7² = 253.76
r = √253.76 ≈ 15.9
User Ellbar
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