Advertisements
Advertisements
प्रश्न
Three cubes each of side 10 cm are joined end to end. Find the surface area of the resultant figure.
Advertisements
उत्तर
If three cubes each of side 10 cm are joined, then a cuboid will be formed of dimensions 30 cm × 10 cm × 10 cm.
∴ Surface area of the cuboid = `2[lb + bh + hl]`
= 2[30 × 10 + 10 × 10 + 30 × 10]
= 2[300 + 100 + 300]
= 2[700]
= 1400 cm2
APPEARS IN
संबंधित प्रश्न
Each edge of a cube is increased by 50%. Find the percentage increase in the surface area of the cube.
Find the volume of a cuboid whose length = 12 cm, breadth = 8 cm, height = 6 cm.
A field is 150 m long and 100 m wide. A plot (outside the field) 50 m long and 30 m wide is dug to a depth of 8 m and the earth taken out from the plot is spread evenly in the field. By how much is the level of field raised?
If the length of a diagonal of a cube is `8 sqrt(3)` cm, then its surface area is
If each edge of a cuboid of surface area S is doubled, then surface area of the new cuboid is
The capacity of a rectangular tank is 5.2 m3 and the area of its base is 2.6 x 104 cm2; find its height (depth).
Find the height of the cylinder whose radius is 7 cm and the total surface area is 1100 cm2.
The sum of the radius and the height of a cylinder is 37 cm and the total surface area of the cylinder is 1628 cm2. Find the height and the volume of the cylinder.
The length, breadth, and height of a rectangular solid are in the ratio 6 : 4 :3. If the total surface area is 1728 cm2. Find its dimensions.
Three identical cubes of side 4 cm are joined end to end. Find the total surface area and lateral surface area of the new resulting cuboid
