joannegauze87 joannegauze87
  • 26-03-2020
  • Mathematics
contestada

Tasha's bedroom is shaped like a square. The room has an area of 169 ft?.
What is the length of one side of Tasha's bedroom?

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sqdancefan
sqdancefan sqdancefan
  • 26-03-2020

Answer:

  13 ft

Step-by-step explanation:

Since you have memorized the squares of numbers up to 20, you know that ...

  13² = 169

The area of a square is the square of its side length, so one side of Tasha's bedroom is 13 feet.

_____

If you haven't memorized those squares, you can use your calculator to find the square root of 169.

The formula for area of a square is ...

  A = s²

Taking square roots, we have ...

  s = √A

  s = √169 = 13 . . . . feet

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