Mensurationmedium · Past Paper
What is the area of a square inscribed in a circle of radius 5 cm?
A25 sq. cm
B50 sq. cm
C100 sq. cm
D75 sq. cm
✓ Correct Answer: B — 50 sq. cm
The diagonal of the square is the diameter of the circle: d = 10. Area = 0.5 * 10^2 = 50 sq. cm.
Share this question
More from Mensuration
- A solid cube is cut into two equal halves by a plane parallel to one of its faces. Find the ratio of the total surface area of one half to the original cube.
- A solid consisting of a right circular cone of height 120 cm and radius 60 cm standing on a hemisphere of radius 60 cm is placed upright in a right circular cylinder full of water such that it touches the bottom. If the radius of the cylinder is 60 cm and its height is 180 cm, find the volume of water left in the cylinder.
- Find the curved surface area of a cone with radius 7 cm and slant height 10 cm.
- What is the volume of a sphere whose surface area is 36π cm²?
- The volume of a prism with an equilateral triangular base is 40√3 cm³. If the side of the triangle is 4 cm, find the height of the prism.