SOLUTION: The figure is made up of five identical squares.The area of the figure is 405cm.Find the perimeter of the figure.

Question 352523: The figure is made up of five identical squares.The area of the figure is 405cm.Find the perimeter of the figure.
Answer by CharlesG2(834) (Show Source): You can put this solution on YOUR website!
The figure is made up of five identical squares.The area of the figure is 405cm.Find the perimeter of the figure.

squares have equal measurements of all 4 sides
the five squares are identical so they have equal areas

total area = 405 cm^2 (assuming 405 cm^2, there is no way an area can be 405 cm)
area of one square = 405/5 = 81 cm^2
9^2 = 81
the length of a side on each of the squares is 9 cm
4 sides * 9 cm/side = 36 cm = perimeter of one square
36 cm * 5 = 180 cm = perimeter of all 5 squares

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