Mensurationeasy · Past Paper
The side of a square is doubled. Its area becomes:
A2 times
B4 times
C8 times
DRemains same
✓ Correct Answer: B — 4 times
Area is proportional to side squared. (2s)^2 = 4s^2.
Share this question
More from Mensuration
- Find the area of four walls of a room of length 6m, breadth 5m and height 4m.
- A metal cylinder of radius 4 cm and height 10 cm is melted to form spheres of radius 2 cm each. How many spheres can be made?
- A solid cone of height 24 cm and radius of base 6 cm is melted and reshaped into a sphere. Find the radius of the sphere.
- Calculate the volume of a hemisphere with diameter 14 cm.
- Find the area of a rhombus if its side is 5 and one diagonal is 6.