Advertisements
Advertisements
Question
If the lateral surface area of a cube is 600 cm2, then the total surface area is
Options
150 cm2
400 cm2
900 cm2
1350 cm2
Solution
900 cm2
Explanation;
Hint:
L.S.A of a cube = 600 cm2
4a2 = 600
a2 = `600/4`
= 150
Total surface area of a cube = 6a2 sq.units
= 6 × 150 cm2
= 900 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?
Fill in the blank in the following so as to make the statement true:
1 litre = ....... cubic decimetre
Fill in the blank in the following so as to make the statement true:
1 kl = ....... m3
Find the surface area of a cube whose edge is 3 cm.
Two cubes, each of volume 512 cm3 are joined end to end. Find the surface area of the resulting cuboid.
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.
Three cubes, whose edges are x cm, 8 cm, and 10 cm respectively, are melted and recast into a single cube of edge 12 cm. Find 'x'.
The lateral surface area of a cube of side 12 cm is
A cube of side 5 cm is painted on all its faces. If it is sliced into 1 cubic centimetre cubes, how many 1 cubic centimetre cubes will have exactly one of their faces painted?
