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scoundrel [369]
3 years ago
15

Judi is making a frame for a square painting. The square painting is 11 3/8 inches on each side. To make sure that she has enoug

h wood Judi wants to buy two extra inches of wood for each corner. How much wood shoul Judi buy?
Mathematics
1 answer:
dimulka [17.4K]3 years ago
5 0

Answer:

53\frac{1}{2}\ in

Step-by-step explanation:

we know that

The perimeter of a square is equal to

P=4a

where

a is the length side of the square

in this problem we have

a=11\frac{3}{8}\ in

convert to an improper fraction

11\frac{3}{8}\ in=\frac{11*8+3}{8}=\frac{91}{8}\ in

Find the perimeter of the square

P=4\frac{91}{8}=45.5\ in

Remember to adds two extra inches for each corner

so

The wood needed is  

45.5\ in+2*4\ in= 53.5\ in

convert to mixed number

53.5\ in=53\frac{1}{2}\ in

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