Question

How many cubes of dimensions 1 cm x 1 cm x 1 cm
are required to cover a cuboid of dimensions 6 cm x
8 cm x 9 cm when it is placed at the corner of a
room such that three faces of the cuboid are
covered by two walls and the floor of the room?
(A) 288 (B) 261 (C) 198 (D) 448​

Answer 1

Answer:

288 blocks will be required

Answer 2

Answer:

198

Step-by-step explanation:

volume of cuboid after 1 cm cubes will be 7x9x10 = 630

volume of cuboid without it will be 6x8x9= 432

630-432= 198