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hjlf
3 years ago
12

Solve this problem please

Mathematics
1 answer:
nika2105 [10]3 years ago
8 0
Hi, Ptaverez1! :)

First we must length of an individual square; This can be achieved by using the formula for the area of a square:
l^2
l=Length

Lets input the information we already know:
l^2=42.25
Take square root.
l=\sqrt42.25
l=6.5

The length of an individual square tile is 6.5 ft.

Since they're are 9 tiles and the porch in a square, I can conclude that the measurements for the porch are 3 tiles by 3 tiles (as 3*3=9; using the formula for the area of a square.)

Since the length of the porch is 3 tiles, we must multiply the individual tiles piece length by 3:
3*6.5
=19.5

The formula for the perimeter of a square is:
l*4
l=length

Lets input the information we know:
19.5*4
=78

The perimeter of the porch is 78 feet²

Hope this helps.
-Benjamin

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