three dimentions

The formula to find 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

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

• 440 sq.cm

• 352 sq.cm.

• 400 sq.cm

• 412 sq.cm

Find the Surface Area

• 556 cm²
• 278 cm²
• 680 cm²
• 340 cm²

The surface area of a cylinder is

• πr²h

• 2πr(r+h)

• 2πr²

• 2πrh

The area of the curved surface of a cone is

• πrl

• 2πrl

• πl

• none of these

Find the surface area of this figure.

• 148 cm²
• 120 cm²

The total surface area of a cube whose edge is "a" is

• 4a²

• 6a²

• 5a²

• 3a²

Find the surface area of a cube with sides 4 mm

• 72 mm²

• 96 mm²

• 108 mm²

• 64 mm²