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inessss [21]
3 years ago
7

A square with a perimeter of 20 inches is cut into 2 pieces, which are attached by their short ends to make a rectangle. What is

the perimeter of this rectangle?
Mathematics
1 answer:
alina1380 [7]3 years ago
8 0

Answer:

25 inches

Step-by-step explanation:

If square has a perimeter of 20 inches, the length of each side is:

s=\frac{20}{4}\\ s=5\ in

After cutting the square in half, we are left with two rectangles of 5 in x 2.5 in

Attaching those two smaller rectangles by their short end (2.5 in side), gives us a new rectangle with a height of 2.5 in and a length of 10 in (sum of the 5 in sides in each rectangle). The perimeter of this new rectangle is:

P=2*2.5+2*10\\P=25\ in

The perimeter is 25 inches.

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