Mathematics
Two cubes, each of volume 512 cm3 are joined end to end. Find the surface area of the resulting cuboid.
Related Questions
Find :
(i) the volume
(ii) the total surface area
(iii) the lateral surface area and
(iv) the length of the diagonal of a cube of side 10 cm.
The surface area of a cube is 1536 cm2. Find :
(i) the length of its edge
(ii) its volume
(iii) the volume of its material whose thickness is 5 mm.
(i) How many cubic cm of iron are there in an open box whose external dimensions are 36 cm, 25 cm and 16.5 cm, the iron being 1.5 cm thick throughout ?
(ii) If 1 cm3 of iron weighs 15 g, find the weight of the empty box in kg.
A metal cube of edge 12 cm is melted and formed into three smaller cubes. If the edges of two smaller cubes are 6 cm and 8 cm, find the edge of third smaller cube.