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Molly Clayton
Mathematics
9 November, 09:38
Rectangle with length (x + 3) and width 7
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Lee French
9 November, 10:06
0
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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