SOLUTION: Draw and label a rectangle that has a perimeter of 60cm. and an area of 200 square centimeters?

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Question 477447: Draw and label a rectangle that has a perimeter of 60cm. and an area of 200 square centimeters?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,





 p = 2*l + 2*w

 60 = 2*l + 2*w

 30 = l + w  OR w = 30-l



 A = w*l = (30-l)*l = 200cm^2

        l^2 -30l +200 = 0

        (l-20)(l-10)= 0

        (l-20)= 0   l = 20  OR

         (l-10)= 0  l = 10

rectangle 10 by 20 satisfies the conditons