Mensurationmedium · Past Paper
A square park has side 20m. A path of 1m width is built inside it. Area of path is:
A76 sq. m
B80 sq. m
C39 sq. m
D40 sq. m
✓ Correct Answer: A — 76 sq. m
Inner side = 18. Path Area = 20^2 - 18^2 = 400 - 324 = 76 sq. m.
Share this question
More from Mensuration
- If the area of a circle is doubled, its radius increases by a factor of:
- The inner radius of a pipe is 2 cm and length is 7 m. Find the volume of water it can hold.
- The sum of length, breadth, and height of a cuboid is 19 cm and its diagonal is 11 cm. Find its volume if the surface area is not needed but related? (Wait, let's use a standard volume problem). A cuboid has dimensions in the ratio 3:2:1 and volume 1296 cm³. Find the length.
- 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?
- What is the volume of a sphere of diameter 'd'?