The rectangle below is made up of 12 congruent (same size) squares. Find the perimeter of the rectangle if the area of the rectangle is equal to 432 square cm.
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Let the side of the square be 'a' .
area of the rectangle = 12*(area of each square)
=>432 = 12*(a^2)
=>432/12=(a^2)
=>a=√36
=>a=6cm
dear, please send me the diagram so that I can find the perimeter..
area of the rectangle = 12*(area of each square)
=>432 = 12*(a^2)
=>432/12=(a^2)
=>a=√36
=>a=6cm
dear, please send me the diagram so that I can find the perimeter..
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