# Perimeter and area

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The gadget comes with a page of instructions. When page is unfolded, it is 81 square inches. If one page is nine inches wide what is the perimeter?

• Perimeter and area -

What is 9 times 9?

• Perimeter and area -

w = width = 9, L = length
Area = Lw
81 = 9L
L = 9

Perimeter P = 2w + 2L
w = 9, L = 9
P = 2(9) + 2(9)
P = ?

• Perimeter and area -

Thanks,Helper.

• Perimeter and area -

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