Advertisements
Advertisements
Question
Find the diagonal of a square whose side is 10 cm.
Solution
Side of a square = 10 cm.
Diagonal of a square = `sqrt2` × side of a square
= `sqrt2` × 10
= `10 sqrt2`
∴ The diagonal of a square is `10 sqrt2` cm
RELATED QUESTIONS
The volume of a cube is 1000 cm3. Find the side of a cube.
Find the volume and surface area of a sphere of radius 2.1 cm. `(pi=22/7)`
The volume of a cube is 512 cm3. Find its side.
The radius and slant height of a cone are 5 cm and 20 cm respectively. Find its curved surface area. (Π = 3.14)
If ‘V’ is the volume of a cuboid of dimensions a × b × c and ‘S’ is its surface area, then prove that: `1/V = 2/S[1/a +1/b + 1/c]`
The dimensions of a cuboid in cm are 50 × 18 × 10. Find its volume.
As shown in the figure, a cylindrical glass contains water. A metal sphere of diameter 2 cm is immersed in it. Find the volume of the water.
The diameter and thickness of a hollow metals sphere are 12 cm and 0.01 m respectively. The density of the metal is 8.88 gm per cm3. Find the outer surface area and mass of the sphere.
In the given figure, two circles with centres O and P are touching internally at point A. If BQ = 9, DE = 5, complete the following activity to find the radii of the circles.
Find the curved surface area of a sphere of radius 1cm. (π = 3.14)
Find the volume and surface area of a sphere of radius 8.4 cm.
`(pi=22/7)`
The dimensions of a cuboid in cm are 30 × 18 × 10. Find its volume.
The volume of a cube is 1000 cm3. Find its total surface area.
Water is flowing at the rate of 15 km/h through a pipe of diameter 14 cm into a cuboidal pond which is 50 m long and 44 m wide. In what time will the level of water in pond rise by 21 cm?
What should be the speed of water if the rise in water level is to be attained in 1 hour?
