Quadratic equation + surface area - math problems

Number of problems found: 27

  • Rectangle pool
    Find dimensions of an open pool with a square bottom with a capacity of 32 m3 to have painted/bricked walls with the least amount of material.
  • Cuboid - ratios
    The sizes of the edges of the cuboid are in the ratio 2: 3: 5. The smallest wall has an area of 54 cm2. Calculate the surface area and volume of this cuboid.
  • Hexagonal prism 2
    The regular hexagonal prism has a surface of 140 cm2 and height of 5 cm. Calculate its volume.
  • Cylinder diameter
    The surface of the cylinder is 149 cm2. The cylinder height is 6 cm. What is the diameter of this cylinder?
  • Rectangular cuboid
    The rectangular cuboid has a surface area 5334 cm2, and its dimensions are in the ratio 2:4:5. Find the volume of this rectangular cuboid.
  • Cubes
    Surfaces of cubes, one of which has an edge of 48 cm shorter than the other, differ by 36288 dm2. Determine the length of the edges of this cubes.
  • Special cube
    Calculate the edge of cube, if its surface and its volume is numerically equal number.

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