A square floor has an area of 480 square feet. Kristin wants to put molding around the entire perimeter of the floor.

Approximately how much molding does she need?

A.
720 feet

B.
120 feet

C.
90 feet

D.
88 feet

Question

A square floor has an area of 480 square feet. Kristin wants to put molding around the entire perimeter of the floor. 


Approximately how much molding does she need?
 
 A.
720 feet
 
 B.
120 feet
 
 C.
90 feet
 
 D.
88 feet

anonymous · Answer

What do you think it is?

anonymous · Answer

well i get 88 for each side then i get 352 witch isn't and answer

anonymous · Answer

@Data_LG2

anonymous · Answer

I think it's B But I am not sure

anonymous · Answer

your looking for the perimeter of a square which is P=4s
area of a square is A=s^2

you are given: A= 480 
find the side: $s= \sqrt{A}\s=\sqrt{480}=4\sqrt{30}$
solving for $P= 4(4\sqrt{30})=87.6  ft$

or approximately: 88 ft

anonymous · Answer

I might need your help again causei didnt pass

anonymous · Answer

i'll try, coz' my dinner is almost done and i have to go and eat it XD

anonymous · Answer

A square-shaped billboard has an area of 295 square feet. Christy wants to put lights around the entire perimeter of the billboard. 


Approximately how much frame does she need?
 
 A.
12 feet
 
 B.
17 feet
 
 C.
69 feet
 
 D.
74 feet

anonymous · Answer

Do the same method as I did from the previous question