Answered

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help me plssssss i don’t know how to do this

Help Me Plssssss I Dont Know How To Do This class=

Sagot :

Answer:

AC = [tex]\sqrt{15}[/tex]

Step-by-step explanation:

Assuming you require AC

Using Pythagoras' identity in the right triangle

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides , that is

AC² + BC²= AB²

AC² + 7² = 8²

AC² + 49 = 64 ( subtract 49 from both sides )

AC² = 15 ( take square root of both sides )

AC = [tex]\sqrt{15}[/tex] ≈ 3.87 ( to 2 dec. places )

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