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vladimir2022 [97]
3 years ago
5

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. The length of each

side of a square increases by 2.5 inches to form a new square with a perimeter of 70 inches. The length of each side of the original square was inches.
Mathematics
2 answers:
aleksley [76]3 years ago
7 0

Answer:

15 inches

Step-by-step explanation:

Suppose length of original square is L inches.

Now, to form a new square the length increases by 2.5 inches

So, new length=L+2.5 inches

Given that, perimeter of new square =70 inches.

Formula:-

        Perimeter=4*length of square

Therefore 70=4*(L+2.5)

                   70 =4 L+10

                   4 L=60

                  L=15 inches

trasher [3.6K]3 years ago
3 0

Answer:

The original length of each side was 15 inches.

Step-by-step explanation:

In this case we have to have clear that the perimeter of square consists in the addition of the length of each one of its four sides, this is:

perimeter=a+a+a+a

The new square has a perimeter of 70, and we have to find the original length of each side, the equation will be:

70=a+2.5+a+2.5+a+2.5+a+2.5

70=4a+10

We have to clear a:

a=\frac{70-10}{4} \\a=\frac{60}{4} \\a=15

The original length of each side was 15 inches.

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