Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
Length of each side of cube, l = 7.2 m
∴ Total surface area of the cube = 6 × l2
= 6 × (7.2)2
= 6 × 51.84
= 311.04 m2
संबंधित प्रश्न
Shanti Sweets Stall was placing an order for making cardboard boxes for packing their sweets. Two sizes of boxes were required. The bigger of dimensions 25 cm × 20 cm × 5 cm and the smaller of dimensions 15 cm × 12 cm × 5 cm. For all the overlaps, 5% of the total surface area is required extra. If the cost of the cardboard is Rs 4 for 1000 cm2, find the cost of cardboard required for supplying 250 boxes of each kind.
A cuboid is of dimensions 60 cm × 54 cm × 30 cm. How many small cubes with side 6 cm can be placed in the given cuboid?
The dimensions of a room are 12.5 m by 9 m by 7 m. There are 2 doors and 4 windows in the room; each door measures 2.5 m by 1 .2 m and each window 1 .5 m by I m. Find the cost of painting the walls at Rs. 3.50 per square metre.
What will happen to the volume of a cuboid if its Length is doubled, height is same and breadth is halved?
The length , breadth and height of a room are 5 m, 4.5 m and 3 m, respectively. Find the volume of the air it contains.
A water tank is 3 m long, 2 m broad and 1 m deep. How many litres of water can it hold?
The rainfall on a certain day was 6 cm. How many litres of water fell on 3 hectares of field on that day?
Three equal cubes are placed adjacently in a row. The ratio of the total surface area of the resulting cuboid to that of the sum of the surface areas of three cubes, is
The floor of a rectangular hall has a perimeter 250 m. If the cost of painting the four walls at the rate of ₹ 10 per m2 is ₹ 15,000, find the height of the hall.
The surface area of a cuboid formed by joining two cubes of side a face to face is ______.
