Faces of cylinder are circular therefore area must be pi*radius*radius
That is the formula for the top and bottom faces, the circles. However, the main face, the face connecting the two circles, is really a large rectangle bended to fit with the circles. The height of the rectangle is the same as the height of the cylinder. The width of the rectangle is the circumference of the circle (pi * 2 * radius). The formula for a rectangle is width * height. So, the side face is height of cylinder * circumference of circle (pi * 2 * radius.)
Cylinder
Cylinder
no is has 2 , 1 on each side.
step 1: if its an open cylinder you have to find the area of both circles by doing radios times radios times pie. (pie equals 3.14). you do this for both circles. step 2:then you find radios the radios of the rectangle
cylinder
1. Find the surface area of the whole cylinder 2. Find the area of one of the two circles on either end of the cylinder 3. Multiply the circle's area by two and subtract their area from the total surface area 4. Now you have the surface area of an unclosed cylinder!
Its an Cylinder
The curved surface area of a cylinder with a diameter of 1 and a height of 2 is 6.28 units2
Surface area of the triangle x the length of the prism.
The area is 25.13 units2
If we are dealing with a cylinder, then you must first find the area of the circle (base).If the radius is 6 unitsPi*radius squared = 3.14*36 units2 = about 113 units2Multiply the area of the circle times the height of the cylinder to find the volume.113 units2 times 1 unit = 113 units3 = the volume
A cylinder
cone has 2 cylinder has 3 good luck, lm 92 cone: 1 face cylinder:2 faces
There are 3 faces on a cylinder. 2 circluar faces on either side and 1 rolled rectangle face!
take 1 face and times the base by height and the times it by the number of faces b * h = area of 1 face area of 1 face * number of faces = surface area note all faces must be the same! Hope i HELPED :D
Assuming the radius is an inside dimension: The inner surface area of the cylinder is Pi x R² = 3.1416 x (3 x 3) = 3.1416 x 9 = 28.2744 sq cm. The area is multiplied by the depth of the sand to find its volume. 28.2744 sq cm x 1 cm = 28.2744 cu cm.
The surface area is 69.11 square units.