Posted by **sushma ** on Thursday, February 23, 2012 at 9:03am.

the radius of a circle is 8cm and the length of one of its chords is 12cm. find the distance of the chord from the centre

- maths -
**MathMate**, Thursday, February 23, 2012 at 10:00am
If you join the centre of the circle with each end of the chord, you have an isosceles triangle with equal legs of 8cm and base 12cm.

The altitude h(distance of centre from chord) cuts the triangle into two right triangles with half base = 6, and hypotenuse 8.

Using Pythagoras theorem,

h²=8^2-6²=28

h=√28

## Answer This Question

## Related Questions

- Maths - The radius of a circle is 8cm, and the length of one of its chords is ...
- Math - There are two chords AB and AC in a circle.[AB]=10cm, [CD]=8cm and the ...
- Maths - AB is a chord with centre O and radius 4 cm. AB is of length 4 cm and ...
- important maths ques - AB and CD are two parallel chords of a circle such that ...
- maths - A chord subtends an angle of 68 degree at the centre of a circle of ...
- math - The equation of a circle with centre O(0,0) is x^2+y^2=40. The points A(-...
- math circle geometrics - The distance of a chord from the centre of a circle of ...
- circle - two parallel chords of length 30 cm and 16 cm are draw on the opposite ...
- circle - two parallel chords of length 30 cm and 16 cm are draw on the opposite ...
- gometry - in a circle of radius 17cm, two parallel chords are drawn on opposite ...

More Related Questions