#### Find the length of the tangent drawn to a circle of radius 3 cm, from a point at a distance 5 cm from the centre.

**Solution:**

#### In the adjoining figure, PT is a tangent to the circle with centre C. Given CP = 20 cm and PT = 16 cm, find the radius of the circle.

**Solution:**

**More Solutions:**

- Construct a rectangle ABCD such that AB = 4 cm and ∠BAC = 60°.
- Construct a rhombus whose one side is 5 cm and one angle is 45°
- Construct a rhombus whose diagonals are 6·8 cm and 5·2 cm.
- Construct a trapezium ABCD in which AB = 7 cm, BC = 4 cm, CD = 3 cm, ∠B = 60° and AB || DC.
- Construct a quadrilateral ABCD such that AB = 4·5 cm, BC = 4 cm, CD = 3·9 cm, AD = 3·2 cm and ∠B = 60°.