Advertisements
Advertisements
प्रश्न
A square plate of side 'x' cm is 8 mm thick. If its volume is 2880 cm3; find the value of x.
उत्तर
We know that
1 mm = `1/10` cm
8 mm = `8/10` cm
Volume = Base area × Height
⇒ 2880 cm3 = `x xx x xx 8/10`
⇒ `2880 xx10/8` = x2
⇒ x2 = 3600
⇒ x = 60 cm
APPEARS IN
संबंधित प्रश्न
The dimensions of a metal block are 2.25 m by 1.5 m by 27 cm. It is melted and recast into cubes, each of the side 45 cm. How many cubes are formed?
Fill in the blank in the following so as to make the statement true:
1 litre = ........ cu. cm
Find the surface area of a cube whose edge is 27 cm.
A metal cube of edge 12 cm is melted and formed into three smaller cubes. If the edges of the two smaller cubes are 6 cm and 8 cm, find the edge of the third smaller cube.
Find the length of 13.2 kg of copper wire of diameter 4 mm, when 1 cubic cm of copper weighs 8.4 gm.
The volume of a cube is 729 cm3. Find its total surface area.
Each face of a cube has a perimeter equal to 32 cm. Find its surface area and its volume.
The total surface area of a cube is 864 cm2. Find its volume.
Three equal cubes are placed adjacently in a row. Find the ratio of the total surface area of the resulting cuboid to that of the sum of the total surface areas of the three cubes.
The areas of any two faces of a cube are equal.
