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08-11-2021
Mathematics

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What is the length of BC in the right triangle below?

What is the length of BC in the right triangle below class=

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08-11-2021

Answer:

A. 122

Step-by-step explanation:

in right-angle triangle,

AB² + AC² = BC²

22²+120² = BC²

2²×11² + 2⁶×5²×3²= 2²(121+16×25×9)

4(121+3600) = 14884

BC=√14884 = 122

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