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2 years ago

Volume of cylinder with a base radius of 5 and height of 3

Mathematics

1 answer:

Anna007 [38]2 years ago

6 0

Answer:

235.5.

Step-by-step explanation:

VOLUME: THE AMOUNT OF SPACE OCCUPIED BY A 3D OBJECT.

The formula for volume of a cylinder is:

$pi*r^2*h (3.14 * radius *radius * height)$

The radius of this cylinder is 5 and the height is 3.

Now, we can plug the numbers in the formula.

SOLVE:

$pi *5^2*3(3.14*5*5*3)=235.5.$

The product of the equation is 235.5.

I, therefore, believe the volume of this cylinder is 235.5.

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3 years ago

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2 years ago

Is the given point interior , exterior, or on the circle k (x+2)2 + (y-3)2 =18 P (8,4)

Mnenie [13.5K]

One way would be to find the distance from the point to the center of the circle and compare it to the radius

for
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and the distance formula is
distance between $(x_1,y_1)$ and $(x_2,y_2)$ is
$D=\sqrt{(x_1-x_2)^2+(y_1-y_2)^2}$

r=radius
D=distance form (8,4) to center

if r>D, then (8,4) is inside the circle
if r=D, then (8,4) is on the circle
if r<D, then (8,4) is outside the circle

so
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center is (-2,3)

find distance between (8,4) and (-2,3)

$D=\sqrt{(8-(-2))^2+(4-3)^2}$
$D=\sqrt{(8+2)^2+(1)^2}$
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$D=\sqrt{101}$

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do r<D

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