diamondboy23owwx2r
diamondboy23owwx2r diamondboy23owwx2r
  • 03-11-2017
  • Mathematics
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Justin draws a square with an area of 150 square centimeters. What is the approximate length, in centimeters, of one side of the square? A. 2cm B. 11cm C. 12cm D. 13cm

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rgwoot
rgwoot rgwoot
  • 03-11-2017
What we know:
Shape is square
Area= 150 cm²
Area=s²
 
What we need to find: s=side of square

Area=s²
150=s²
√150=√s²
√150=s
s≈12 cm
C. 12cm

Remember when finding the square root of a number you get a positive and negative solution. In this case, length is positive so we do not need the negative solution.
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