Rectangle + surface area - math problems

Number of problems found: 56

  • Triangular prism
    Calculate the surface of a regular triangular prism, the edges of the base are 6 cm long and the height of the prism is 15 cm.
  • Cube
    Calculate the surface of the cube ABCDA'B'C'D' if the area of rectangle ACC'A' = 344 mm2.
  • Fire tank
    1428 hl of water is filled in a block-shaped fire tank with the edges of the base 12 m and 7 m. Calculate the content of water-wetted areas.
  • Present
    Gift box has a rectangular shape with dimensions of 8×8×3 cm. Miloslav wants to cover with square paper with sides of 18 cm. How much paper left him?
  • The surface
    The cuboid's surface area is 1714 cm2, the edges of the base are 25 cm and 14 cm long. Find the area of the surface.
  • 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.
  • Prism 4 sides
    Find the surface area and volume four-sided prism high 10cm if its base is a rectangle measuring 8 cm and 1.2dm
  • The pyramid 4s
    The pyramid with a rectangular base measuring 6 dm and 8 dm has a side edge of length 13 dm. Calculate the surface area and volume of this pyramid.
  • Triangular prism
    Calculate a triangular prism if it has a rectangular triangle base with a = 4cm and hypotenuse c = 50mm and height of the prism is 0.12 dm.
  • Glass aquarium
    How many m2 of glass are needed to produce an aquarium with bottom dimensions of 70 cm x 40 cm and 50 cm high?
  • Cylinder - basics
    Cylinder with base radius r = 54 cm and height h=35 cm. Calculate: a) Area of the base
  • Painting
    To paint the pool with dimensions: 2 meters depth, 3m x 4m we bought paint to 50 meters square. How many "paint" will be a waste?
  • Colored paper
    Can a 4 cm, 3 cm and 2 cm block be glued with a colored quarter of paper measuring 7 cm and 8 cm?
  • Shell of cylinder
    Calculate the content of shell the 1.6 m height cylinder with a base radius of 0.4 m.
  • Cellar
    Cellar for storing fruit has a rectangular base with sides 14 m and 7 meters. You should paint sidewall to 2 m. How m2 surface must be painted?
  • Roller
    Cylinder shell has the same content as one of its bases. Cylinder height is 15 dm. What is the radius of the base of the cylinder?

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Rectangle Problems. Examples for the calculation of the surface area of ​​the solid object .