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Ad libitum [116K]
3 years ago
14

Derrick cut a square cake vertically to make two rectangle slices. Each rectangle had a perimeter of 51 inches.

Mathematics
1 answer:
PIT_PIT [208]3 years ago
8 0

Answer:

17 inches

Step-by-step explanation:

Given

P = 51 --- Perimeter of rectangle

Required

The length of the original square

The perimeter is calculated as

51 = 2(L + W)

Divide by 2

25.5 = L + W

The rectangle and the square have the same length.

So:

L = 2W

25.5 = L + W becomes

25.5 = 2W + W

25.5 = 3W

Divide both sides by 3

W = 8.5

Recall that:

L = 2W

L = 2 * 8.5

L = 17

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Answer:

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