Hector123 Hector123

02-11-2016
Mathematics

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Rectangle with length ( x + 3 ) and width 7

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Panoyin Panoyin

02-11-2016

P = 2l + 2w
P = 2(x + 3) + 2(7)
P = 2(x) + 2(3) + 14
P = 2x + 6 + 14
P = 2x + 20

A = lw
A= 7(x + 3)
A = 7(x) + 7(3)
A = 7x + 21

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