Advertisements
Advertisements
प्रश्न
The length of the diagonals of a cube is 8√3 cm.
Find its:
(i) edge
(ii) total surface area
(iii) Volume
Advertisements
उत्तर
(i) Length of diagonal of a cube = `8sqrt(3)` cm
Length of edge = `(8sqrt(3))/sqrt(3)` = 8 cm
(ii) Total surface area = 6a2 = 6 x 82 = 6 x 64 cm2 = 384 cm2
(iii) Volume = a3 = (8)3= 512 cm3
APPEARS IN
संबंधित प्रश्न
Find the volume of a cube whose side is 8 cm .
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?
Fill in the blank in the following so as to make the statement true:
1 ml = ........ cu. cm
Find the surface area of a cube whose volume is 343 m3.
Find the volume of a cube whose surface area is 150 m2 .
Two cubes, each of volume 512 cm3 are joined end to end. Find the surface area of the resulting cuboid.
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.
The base of a rectangular container is a square of side 12 cm. This container holds water up to 2 cm from the top. When a cube is placed in the water and is completely submerged, the water rises to the top and 224 cm3 of water overflows. Find the volume and surface area of the cube.
Find the T.S.A and L.S.A of the cube whose side is 7.5 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
