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My name is Ann [436]
2 years ago
14

A squares side are increased by five inches. Find the length of the original square if the perimeter of the new square is 100 in

ches. Length of side of original square: ______
inches
Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
7 0

Answer:

The length of side of original square is: 20 inches

Step-by-step explanation:

Let x be the length of side of original square

Then x+5 will be the side of new square

Th formula for perimeter is:

P = 4*side

As we know the perimeter of the new square we can use the perimeter to find the value of x

100 = 4 * (x+5)\\100 = 4x+20\\4x = 100-20\\4x = 80\\\frac{4x}{4} = \frac{80}{4}\\x = 20

The value of x is 20 inches.

Hence,

The length of side of original square is: 20 inches

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