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your neighbors needs to put a fence around her front yard and a separate fence around her back yard her front yard is 65 feet long and 45 feet wide her back yard is 35 feet long by 45 feet wide how much fencing should she buy the fence is not attracted to the house

Respuesta :

380 feet 65x2=130 45x2=90 35x2=70 45x2=90 Total=380
secastanomu

Answer:

You will need 380 feet of fencing

Step-by-step explanation:

The perimeter of a rectangle is :

P=2L+2W

L: Length of the rectangle

W: Width of the rectangle

For the front yard:

[tex]Pf=2*65+2*45\\\\Pf=130+90\\\\Pf=220[/tex]

The front yard has a perimeter of 220 feet

For the back yard

[tex]Pb=2*35+2*45\\\\Pb=70+90\\\\Pb=160[/tex]

The back yard has a perimeter of 160 feet

The necessary fencing is the sum of the two perimeters, so you will need 220+160 = 380 feet

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