SURFACES AREA AND VOLUMES

The formula to find the surface area of a cuboid of length (l), breadth (b) and height (h) is

• lb+bh+hl

• 2(lb+bh+hl)

• 2(lbh)

• lbh/2

The surface area of a cube whose edge equals to 3cm is

• 62 sq.cm

• 30 sq.cm

• 54 sq.cm

• 90 sq.cm

The surface area of cuboid-shaped box having length=80 cm, breadth=40cm and height=20cm is

• 11200 sq.cm

• 13000 sq.cm

• 13400 sq.cm

• 12000 sq.cm

The volume of a hemisphere whose radius is r is

• 4/3 πr³

• 4πr³

• 2πr³

• ⅔ π r³

If the radius of a cylinder is 4cm and height is 10cm, then the total surface area of a cylinder is

• 440 sq.cm

• 352 sq.cm

• 400 sq.cm

• 412 sq.cm

The curved surface area of a right circular cylinder of height 14 cm is 88 cm². The diameter of the base is

• 2 cm

• 3 cm

• 4 cm

• 6 cm

The Curved surface area of a right circular cylinder is 4.4 sq.cm. The radius of the base is 0.7 cm. The height of the cylinder will be

• 2 cm

• 3 cm

• 1 cm

• 1.5 cm

The diameter of the base of a cone is 10.5 cm, and its slant height is 10 cm. The curved surface area is

• 150 sq.cm

• 165 sq.cm

• 177 sq.cm

• 180 sq.cm

If slant height of the cone is 21cm and the diameter of the base is 24 cm. The total surface area of a cone is

• 1200.77 sq.cm

• 1177 sq.cm

• 1222.77 sq.cm

• 1244.57 sq.cm

The surface area of a sphere of radius 14 cm is

• 1386 sq.cm

• 1400 sq.cm

• 2464 sq.cm

• 2000 sq.cm