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Marianna [84]
3 years ago
9

The area of a square is 320 square feet. estimate the length of one side

Mathematics
1 answer:
Maksim231197 [3]3 years ago
8 0
19ft Estimate the length of one side of a square floor,if the area is 320 square feet.give the whole number that is closest to the amount. the square root of 320 is 17.88,rounded is 18.
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4/5 + (1/2 - 3/7) x 2
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Read 2 more answers
URGENT!!! Please help!
serious [3.7K]

Answer:

13 ft

Step-by-step explanation:

c^2 = a^2 + b^2

C^2 = 5^2 + 12^2

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3 years ago
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dedylja [7]

Answer:

C

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what happens, when you rotate something around a pole ? what shape is the most outside point making around that pole ?

a circle, of course.

that means rotating the rectangle around the x-axis creates a round object (with the bottom area being a circle).

so, all answers about a prism (rectangular bottom shape) are automatically wrong.

again, just imagine to rotate a small sheet of paper around a pole (the x-axis acts like one in this scenario).

the result is a solid with a circular bottom area, and it maintains this shape all the way to the top.

it is a cylinder !

and what is its radius ?

well, the outermost point of the rectangle is 8 points away from the x-axis. when we rotate this rectangle, that attribute remains, of course. and every point on the side surface of the resulting cylinder has the same distance from the central x-axis : 8.

so, the radius is 8.

and the volume of a cylinder is

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in our case

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2 years ago
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8 0
3 years ago
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