angelamelendez7 angelamelendez7

06-05-2021
Mathematics

contestada

ILL BRAINLIEST YOU IF YOU PLEASE HELP ME

ILL BRAINLIEST YOU IF YOU PLEASE HELP ME class=

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jimrgrant1 jimrgrant1

06-05-2021

Answer:

BC ≈ 20.9

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

BC² + AC² = AB²

BC² + 7² = 22²

BC² + 49 = 484 ( subtract 49 from both sides )

BC² = 435 ( take the square root of both sides )

BC = [tex]\sqrt{435}[/tex] ≈ 20.9 ( to the nearest tenth )

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