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Westkost [7]
3 years ago
5

What is the length of the diagonal of square with perimeter 12 m? Express the answer as a simplified square root.

Mathematics
1 answer:
hram777 [196]3 years ago
3 0

Answer: 3\sqrt{2}\ m

Step-by-step explanation:

The perimeter of a square is:

P=4s

Where "s" is the lenght of a side of the square.

Then, if the perimeter of this square is 12 m, you can solve for "s" and find its value:

s=\frac{P}{4}\\\\s=\frac{12\ m}{4}\\\\s=3\ m

You can calculate the length of the diagonal with this formual:

d=s\sqrt{2}

Where "s" is the lenght of a side of the square.

Substituting the value of "s" into the formula  d=s\sqrt{2}, you get that the lenght of the diagonal of this square is:

d=3\sqrt{2}\ m

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Answer:

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General Formulas and Concepts:

<u>Pre-Algebra I</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Midpoint Formula: (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2} )

Step-by-step explanation:

<u>Step 1: Define</u>

R (9, 3)

S (-1, -9)

<u>Step 2: Find midpoint</u>

  1. Substitute:                    (\frac{9-1}{2}, \frac{3-9}{2} )
  2. Subtract:                       (\frac{8}{2}, \frac{-6}{2} )
  3. Divide:                          (4, -3 )
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