Advertisements
Advertisements
Question
A square plate of side 'x' cm is 8 mm thick. If its volume is 2880 cm3; find the value of x.
Advertisements
Solution
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
RELATED QUESTIONS
Find the volume of a cube whose side is 1.2 m .
A cube A has side thrice as long as that of cube B. What is the ratio of the volume of cube A to that of cube B?
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 cu. km = ........ cu. m
Fill in the blank in the following so as to make the statement true:
1 kl = ........ cu. dm = ........ cu. cm.
Find the surface area of a cube whose volume is 216 dm3.
The volume of a cube is 729 cm3. Find its total surface area.
The internal length, breadth, and height of a box are 30 cm, 24 cm, and 15 cm. Find the largest number of cubes which can be placed inside this box if the edge of each cube is
(i) 3 cm (ii) 4 cm (iii) 5 cm
Three solid cubes of edges 6 cm, 10 cm, and x cm are melted to form a single cube of edge 12 cm, find the value of x.
Three metal cubes with edges 6cm, 8cm and 10cm respectively are melted together and formed into a single cube. Find the diagonal of this cube.
