Find the perimeter of the square.
A.
64 ft
B.
32 ft
C.
16 ft
D.
8 ft

- anonymous

Find the perimeter of the square.
A.
64 ft
B.
32 ft
C.
16 ft
D.
8 ft

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- chestercat

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- abb0t

The perimeter is just the sum of all sides. If you have a square of length 8, then you have 4 sides, that's 8 +8 + 8 +8

- anonymous

|dw:1443013307207:dw|

- anonymous

just do 2l+2w=P

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- anonymous

so 2(8)+2(8)=P
or do l^2
8^2=P

- anonymous

sry ignore the second half of that

- anonymous

i was thinking area there...

- anonymous

it's okay

- abb0t

That's the formula for the perimeter of a rectangle, @jacobrocket173
and it is the same thing as I said: sum of all sides.

- anonymous

or you can just do 4(8)=P...

- anonymous

thanxs now Find the perimeter of a rectangle with l = 0.85 m and w = 0.4 m.
A.
1.25 m
B.
2.5 m
C.
0.34 m
D.
0.68 m

- anonymous

rectangle

- anonymous

2(0.85)+2(0.4)=P

- anonymous

1.7+0.8=P

- anonymous

1.7+0.8=P

- abb0t

Same thing, draw out the rectangle.
Which has 4 sides, so you know youre going ot be adding two of the same sides and 2 of other same sides.
Use: \(\sf \color{blue}{2l + 2w}\)

- anonymous

thanxs now What is the perimeter of the polygon?
A.
18 in.
B.
36 in.
C.
54 in.
D.
108 in.|dw:1443013742394:dw|

- abb0t

the 2 comes from the fact that you have two sides of equal length.
Remember that in a rectangle, two sides are the same.
|dw:1443024607773:dw|

- abb0t

Same for the polygon.
PERIMETER just means \(\sf \color{red}{sum}\) of all sides.
Add up all the sides!

- anonymous

HAHAHAHHAHAHHAA

- abb0t

I've said this like 4 times already!

- anonymous

3 times actually

- anonymous

XD

- anonymous

okay okay i got it

- anonymous

wait last question :) What is the perimeter of the polygon?
A.
18 in.
B.
36 in.
C.
54 in.
D.
108 in.

- anonymous

what are the measurements?

- abb0t

Oh, c'mon! WHAT did I just say perimeter was?!

- abb0t

Why would you ask?

- anonymous

maybe its a circle...

- anonymous

wait i have already ask that question i mean Which equation could be used to find the perimeter of a rectangle that has a width of 18 ft and a length of 24 ft?
A.
P = 18 · 24
B.
P = 2 · 18 + 24
C.
P = 2 · 18 + 2 · 24
D.
P = 16 + 24

- adovbush

lol

- anonymous

@jacobrocket173

- anonymous

yea thanxs 2 u guys i just passed my 10th test

- anonymous

yah, sry, was doing some art

- abb0t

Perimeter of a circle is basically it's circumference.

- abb0t

C = 2\(\sf \pi\)r = \(\pi\)d

- anonymous

oh i was just saying that i passed my 10th test

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