Advertisements
Advertisements
प्रश्न
Advertisements
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
A 4 cm edge cube is cut into 1 cm edge cubes. Calculate the total surface area of all the small cubes.
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.
A cuboidal wooden block contains 36 cm3 wood. If it be 4 cm long and 3 cm wide, find its height.
The volume of a cuboidal box is 48 cm3. If its height and length are 3 cm and 4 cm respectively, find its breadth.
The areas of three adjacent faces of a cuboid are x, y and z. If the volume is V, prove that V2 = xyz.
If A1, A2, and A3 denote the areas of three adjacent faces of a cuboid, then its volume is
The length, breadth and height of a rectangular solid are in the ratio 5 : 4 : 2. If the total surface area is 1216 cm2, find the length, the breadth and the height of the solid.
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 length, breadth, and height of a room are 6 m, 5.4 m, and 4 m respectively. Find the area of :
(i) its four-walls
(ii) its roof.
A square plate of side 'x' cm is 4 mm thick. If its volume is 1440 cm3; find the value of 'x'.
