3 years ago

Find perimeter of a rectangle that is 21 ft by 3 ft

2 answers:

7 0

To find the perimeter all you do is add all sides of the square together.I am not sure if my anwser is correct but if i did it right i got 24ft for the perimeter.

alukav5142 [94]3 years ago

4 0

24 ft should be your answer if I'm correct

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Dmitry [639]

Answer:

c. 7, 24, 25

Step-by-step explanation:

For the formulas ...

a=x^2-y^2
b=2xy
c=x^2+y^2

we can use the given values of x and y to find the corresponding Pythagorean triple:

a = 4^2 -3^2 = 16 -9 = 7

b = 2·4·3 = 24

c = 4^2 +3^2 = 16 +9 = 25

The generated Pythagorean triple is (7, 24, 25), matching answer C.

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Answer:

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Step-by-step explanation:

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so by proportion

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