A solid with polygonal base and vertex is a

  • Diamond
  • Pyramid
  • Triangle
  • Dice

Total surface area of pyramid is equal to

  • total area of all faces
  • total area of base
  • length of slant edge
  • none of above

A basketball has a volume of 5600cm³. its radius is

  • 10cm
  • 9cm
  • 11cm
  • 8cm

A solid with a vertex and a base that is formed by a simple closed curve is a

  • Triangle
  • Cone
  • Pyramid
  • Dice

The surface area of sphere is

  • 2πr
  • 4πr²
  • 2πr²
  • 6πr²

A cone with a circular base of radius 5cm and height 12cm has surface area of

  • 204cm²
  • 210cm²
  • 80cm²
  • none of above

The volume of sphere is

  • (4/3)πr³
  • 3⁄4rl
  • 3.414ra
  • None of above

The surface area of cone is

  • πa²
  • πrl
  • none of above

If the volume of sphere is 850m³ then its radius and surface area are

  • 6m, 450m²
  • 5m, 560m²
  • 2m, 780m²
  • 5.88m, 434m²

Non-right pyramids are called

  • Oblique Pyramids
  • Tetrahedron based pyramids
  • Pentagon based pyramids
  • Hexagon based pyramids

The volume of cone with surface area 7cm and height 14cm is

  • 120cm³
  • 160cm³
  • 180cm³
  • 200cm³

A cone has a circular base of radius 6m and volume 84π m³. The height of cone is

  • 7m
  • 6m
  • 8m
  • 8m

If a hemisphere has a curved surface area of 175cm² its radius is

  • 5.28cm
  • 3.45cm
  • 28.5cm
  • 45.3cm

VPQRS is rectangle based pyramid where PQ = 30cm, QR = 20cm and volume is 2000cm³, the height is

  • 20cm
  • 40cm
  • 10cm
  • 30cm
0 h : 0 m : 1 s

Answered Not Answered Not Visited Correct : 0 Incorrect : 0