Jamaal used a square piece of poster board to show the main points of his science project. The length of each side of the poster
board was 2 3/5 feet. Find the perimeter of the poster board.
1 answer:
In order to answer this, we need to know the formula of finding a perimeter.
By definition, perimeter is the sum of all the sides of a polygon.
The given is a square with a side length of 2 3/5 feet.
The perimeter of a square is 4*S
Perimeter = 4 * S
Perimeter = 4 * (2 3/5)
Perimeter = 4 * (13/5)
Perimeter = 52/5 feet
So the perimeter is 52/5 feet of 10 2/5 feet.
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Answer:
3/2 and 3/4 are terminating decimals
Step-by-step explanation:
Terminating decimals are those whose decimals end.
3/2 = 1 .5
2/3 = .6666repeating
3/4 = .75
5/7 =.714285repeating
Answer:
C
Step-by-step explanation:
just multiply them together should work
Step-by-step explanation:
radius(CE)=diameter/2=9
EF=8inch
DE=8/2=4inch
pythagorean theorem:
im right triangle,
a^2+b^2=c^2
4^2+b^2=9^2
16+b^2=81
b^2=81-16
b^2=65
b=√65
√65≈8.06
