the formula is
V=3.14r²
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It depends on what type of shape you are trying to find the area. If it is a rectangle, you do base times height. For triangles, you do base times height divided by two. For a circle, it is Pi*R^2.
find the area of the base and multiply that by the height. The base is a circle so its area is Pi x radius squared. Not sure what the radius is in your question. If you mean the base has area 4.4 meters squared, and that is what I think you do, then just multiply that by 3.5 ie 4.4x 3.5 and that is volume of the cylinder.
all you do is find the area of the circle... if you mean find the squares area, find the area of the circle, and then the square's area and subtract the squares area to the circles area
You find the area of the whole square first. Then you find the area of the circle inside of it And then subtract the area of the circle from the area of the square and then you get the shaded area of the square
the circumference of a circle is the length around the outer edge. and you find it by using the formula 2 times pi times the radius of the circle