Advertisements
Advertisements
प्रश्न
उत्तर
Length of the cuboid, l = 2.5 cm
Breadth of the cuboid, b = 2 m
Height of the cuboid, h = 2.4 m
The total surface area of the cuboid
= 2(l × b + b × h + l × h)
= 2(2.5 × 2 + 2 × 2.4 + 2.5 × 2.4)
= 2(5 + 4.8 + 6)
= 2 × 15.8
= 31.6 sq.m.
संबंधित प्रश्न
The length, breadth and height of a room are 5 m, 4 m and 3 m respectively. Find the cost of white washing the walls of the room and the ceiling at the rate of Rs 7.50 per m2.
The volume of a cuboidal box is 48 cm3. If its height and length are 3 cm and 4 cm respectively, find its breadth.
What will be the height of a cuboid of volume 168 m3, if the area of its base is 28 m2?
The dimensions of an oil tin are 26 cm × 26 cm × 45 cm. Find the area of the tin sheet required for making 20 such tins. If 1 square metre of the tin sheet costs Rs 10, find the cost of tin sheet used for these 20 tins.
A closed iron tank 12 m long, 9 m wide and 4 m deep is to be made. Determine the cost of iron sheet used at the rate of Rs 5 per metre sheet, sheet being 2 m wide.
The length of a hall is 18 m and the width 12 m. The sum of the areas of the floor and the flat roof is equal to the sum of the areas of the four walls. Find the height of the wall.
The dimensions of a Cinema Hall are 100 m, 60 m, and 15 m. How many persons can sit in the hall if each requires 150 m3 of air?
The dimensions of a cuboidal box are 6 m × 400 cm × 1.5 m. Find the cost of painting its entire outer surface at the rate of ₹ 22 per m2.
