Question
Point (4, 5) is the centre of a circle. A point (9, 11) is lying on a circle. Find the area of the circle.
In the figure (4,5) is the centre of the circle. ∴ Radius (r) = √((4-9)^2+(5-11)²) = √(25+36) = √61 ∴ Area of the circle = πr² = π(√61)² = 61π unit²More Mensuration Questions
- A rectangular swimming pool has a base area of 1200 m², and the volume of water in the pool is 48000 m³. Calculate the depth of the water in the pool.
- The area of a square is 100 cm2 which is 160 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length of the rectangle is 10 cm...
- In a sphere if the radius is increased by 25% then by how much percentage volume increased:
- The length of a 540 metre long rope is 9 times the perimeter of a rectangular German park. Find the area of the rectangular park given that its length is 6...
- A gardener uses cylindrical roller of diameter 7 cm and length 28 cm to flatten a rectangular field of dimension 280cm × 165 cm. Find the number of revolut...
- Inside a square land having perimeter equal to 120 metres, leaving aside a circular land of radius 14 metres, the remaining land needs to be levelled at a ...
- The curved surface area of a cone exceeds that of a cylinder by __ cm². The radius of the cone is twice that of the cylinder. The area of the cylinder's ba...
- A cuboid has volume 960 cm³. Its length is 20 cm and breadth is 8 cm. What is its total surface area?
- If the circumference of a circle is 44 cm then find the area of the circle?
- A cylinder is inscribed in a sphere. The radius of the sphere is 3/4 times the height of the cylinder. What is the ratio of the volume of the cylinder to t...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)