Advertisements
Advertisements
Question
The volume of a cube is 729 cm3. Find its total surface area.
Solution
Let a be the one edge of a cube.
Volume = a3
729 = a3
93 = a3
9 = a
a = 9 cm
Total surface area = 6a2 = 6 x 92 = 486 cm2
APPEARS IN
RELATED QUESTIONS
Describe how the two figures at the right are alike and how they are different. Which box has larger lateral surface area?
If each edge of a cube is doubled, how many times will its volume increase?
Find the volume of a cube whose side is 8 cm .
Fill in the blank in the following so as to make the statement true:
1 m3 = .........cm3
Find the surface area of a cube whose edge is 27 cm.
Find the surface area of a cube whose edge is 2.1 m.
Find the surface area of a cube whose volume is 216 dm3.
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
A cubical container of side 6.5 m is to be painted on the entire outer surface. Find the area to be painted and the total cost of painting it at the rate of ₹ 24 per m2
If the lateral surface area of a cube is 600 cm2, then the total surface area is
