**Area of a rhombus is 90 cm2. If the length of one diagonal is 10 cm then the length of other diagonal is**

**(a) 18 cm**

**(b) 9 cm**

**(c) 36 cm**

**(d) 4.5 cm**

**Solution:**

**In the given figure, OACB is a quadrant of a circle of radius 7 cm. The perimeter of the quadrant is**

**(a) 11 cm**

**(b) 18 cm**

**(c) 25 cm**

**(d) 36 cm**

**Solution:**

**More Solutions:**

- A semicircle is drawn on AB as diameter.
- If the volume of a cube is 729 m3.
- If the total surface area of a cube is 96 cm2.
- The length of the longest pole.
- The lateral surface area of a cube is 256 m2.
- The sum of lengths of its edge is
- A cuboid container has the capacity to hold 50 small boxes.
- The number of planks of dimensions
- Find the perimeter of the original square.
- How much paper is used in making the kite?