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Sagot :

Answer:

s²+r²=t² => r²=s²-t²= 27²-25²

The answer is D

Step-by-step explanation:

clarch19

Answer:

B

Step-by-step explanation:

'r' and 's' are legs and 't' is the hypotenuse

The Pythagorean Theorem takes the sum of the legs, squared, and sets them equal to the hypotenuse squared.

So in this problem we could start with:

r² + 25² = 27²

r² = 27² - 25²

to get 'r' by itself we take its square root, and what we do to one side of an equation we must also do to the other side, so:

r = [tex]\sqrt{27^2 - 25^2 }[/tex]

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