**Calculate the length of the chord which is at a distance of 6 cm from the centre of a circle of diameter 20 cm.**

**Solution:**

**More Solutions:**

- Find the: length of chord CD.
- Find the distance MN
- Find the diameter of the circle.
- ABC is an isosceles triangle inscribed in a circle.
- An equilateral triangle of side 6 cm.
- AB is a diameter of a circle.
- Find the area of the rectangle.
- Find the distance between their centres.
- Prove that the chords are parallel.
- Prove that it is perpendicular to the other.