alleryTotal surface area of a cuboid = lateral surface area + what?
ATwice the area of the base
BThe area of one base
CFour times the base area
DHalf of the base area
Answer & Solution
Correct answer: A. Twice the area of the base
1. The lateral area covers only the four sides.
2. The top and bottom are two equal bases.
3. So TSA = lateral surface area + 2 × area of base.
_Source: NCERT Class 8 Mathematics, Chapter 9 Mensuration, 9.4.1 Cuboid_
Keep practising Mensuration
Browse all Mensuration questions for CTET, or explore more Mathematics topics.
Related questions
A cube is a special cuboid in which which condition holds?A hollow cylinder of curved area 4224 cm2 is cut open to a 33 cm wide rectangle. Its perimA tin has diameter 14 cm, height 20 cm. A label leaves 2 cm free at top and bottom. Area (A cabinet measures 1 m × 2 m × 1.5 m. All faces except the bottom are painted. What area iA suitcase 80 × 48 × 24 cm is covered with cloth 96 cm wide. How many metres are needed foA 15 m × 10 m × 7 m hall's walls and ceiling are painted; a can covers 100 m2. Cans neededThe surface area of a solid is the sum of the areas of its what?Two biscuit boxes each hold 480 cm3: one is 3 × 8 × 20 cm and the other 4 × 12 × 10 cm. Wh