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Question

The diagonal of a square is 3 feet long. Find its perimeter.

My answer:

a^2+b^2=c^2

x^2+x^2=3^3

2x^2=9 divide both side by 2

x^2=4.5

x=√4.5
x=2.1 feet

Is this right?
8 years ago

Answers

Ms. Sue
Obviously the perimeter cannot be shorter than one of its sides.

2.1 is the length of each of its sides.

Now find the perimeter.

8 years ago
Scott
how can the perimeter be less than the diagonal?

you found one of the sides...the perimeter is all four
8 years ago

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