Volume + area - practice problems
Number of problems found: 373
The right triangle with legs 11 cm and 18 cm rotate around the longer leg. Calculate the volume and surface area of the formed cone.
The surface of the sphere is 12100 cm2, and the weight is 136 kg. What is its density?
Annual rainfall in our country is an average of 797 mm. How many m³ of water rains on average per hectare?
- Special cube
Calculate the edge of cube, if its surface and its volume is numerically equal number.
The sum of lengths of cube edges is 57 cm. What is its surface and volume?
The water pipe has a cross-section 1087 cm². An hour has passed 960 m³ of water. How much water flows through the pipe with cross-section 300 cm² per 9 hours if water flows the same speed?
- Sphere slices
Calculate the volume and surface of a sphere if the radii of parallel cut r1=31 cm, r2=92 cm, and its distance v=25 cm.
- Copper sheet
The copper plate has a length of 2.2 m, width 92 cm and weighs 5.6 kg. What is the plate thickness, if 1 m3 weighs 8732 kg?
- Cylinder - A&V
The cylinder has a volume 1287. The base has a radius 10. What is the area of the surface of the cylinder?
- Cylinder - basics
Cylinder with base radius r = 54 cm and height h=35 cm. Calculate: a) Area of the base
- Sphere A2V
The surface of the sphere is 241 mm². What is its volume?
- Cu thief
The thief stole 121 meters copper wire with a cross-section area of 103 mm². Calculate how much money gets in the scrap redemption if redeemed copper for 4.6 Eur/kg? The density of copper is 8.96 t/m3.
Auto sprinkled with sand to an approximately conical shape. Workers wanted to determine the volume (amount of sand) and therefore measure the base's circumference and the length of both sides of the cone (over the top). What is the sand cone's volume if t
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