Area + surface area - practice problems - last page
Number of problems found: 977
- Sphere
The sphere's surface is 12100 cm², and the weight is 136 kg. What is its density? - Rectangular field
One dimension of the rectangular field is 56 m greater than the second dimension. If each side of the rectangle increases by 10 m increases, the surface field is 1480 m². Find dimensions of the field. - Special cube
Calculate the cube's edge if its surface and volume are numerically equal numbers. - Cube
The sum of lengths of cube edges is 56 cm. What are its surface and volume?
- Observatory
The observatory dome has the shape of a hemisphere with a diameter d = 14 m. Calculate the surface. - Rotating cone II
Calculate the area of the surface of a rotating cone with base radius r=15 cm and height h=13 cm. - Kitchen
The kitchen roller has a diameter of 70 mm and a width of 359 mm. How many square millimeters roll on one turn? - Sphere slices
Calculate the volume and surface of a sphere if the radii of a parallel cut r1=32 cm, r2=47 cm, and its distance v=21 cm. - Cap
A rotating cone shapes a jesters hat. Calculate how much paper is needed for the cap 54 cm high when the head circumference is 47 cm.
- Aquarium II
Calculate how much glass we need to build an aquarium with a rectangular shape with a base 70 cm × 70 cm and a height of 70 cm, if the waste is 2%. The aquarium hasn't top glass. - Concrete pipe
The concrete pipe is cylindrical with an inner diameter of 60 cm and an outer 67 cm. Calculate the surface of the concrete pipe if it is 10 m long. - Roller
The cylinder shell has the same area as one of its bases. The cylinder height is 23 dm. What is the radius of the base of the cylinder? - Cylinder - basics
Cylinder with base radius r = 54 cm and height h=35 cm. Calculate: a) Area of the base - Cylinder - A&V
The cylinder has a volume of 463. The base has a radius 4. What is the area of the surface of the cylinder?
- Sphere A2V
The surface of the sphere is 241 mm². What is its volume? - Present
The gift box has a rectangular shape with dimensions of 8×8×3 cm. Miloslav wants to cover it with square paper with sides of 18 cm. How much paper left him? - Cube wall
The surface of the first cube wall is 64 m². The second cube area is 40% of the surface of the first cube. Find the length of the edge of the second cube (x).
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