Questions on Geometry: Points, lines, angles, perimeter answered by real tutors!

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Question 155739: how do you find the perimeter and area of a square whose side is y-3?
: how do you find the perimeter and area of a square whose side is y-3?

Answer by ankor@dixie-net.com(4684) (Show Source):
You can put this solution on YOUR website!
P = 4(y-3)
P = 4y - 12
:
A = (y-3)^2
FOIL
A = y^2 - 6y + 9
Question 155739: how do you find the perimeter and area of a square whose side is y-3?
: how do you find the perimeter and area of a square whose side is y-3?

Answer by jim_thompson5910(9929) (Show Source):
You can put this solution on YOUR website!
Perimeter of a Square: where "P" is the perimeter and "s" is the side length

Start with the general formula for the perimeter of a square

Plug in the given side length of

Distribute

So the perimeter is

Area of a Square: where "A" is the area and "s" is the side length

Start with the general formula for the area of a square

Plug in the given side length of

FOIL

Combine like terms.

So the area is