### a chord of circle is 12cm long,the radius of the circle is 10cm. calculate the...

a chord of circle is 12cm long,the radius of the circle is 10cm. calculate the distance of the mid point of the chord from the centre of the circle?

To get notifications when anyone posts a new answer to this question,

#### Post an Answer

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

#### Answers (5)

EmX
4 months ago
This might seem Alittle complex but..it's actually easy.

See image below
Follow
• EmX: According to the image above we can the the radius of the circle, and see how it connects to the chord (/AB/)to make a triangle.

we can simply split that triangle into two to solve and find the height of the triangle which will be the distance of the chord from the centre of the circle.

See below.
4 months ago
• EmX: Now using Pythagoras theorems we can find 'd'

Let's call the half of the chord 'c'
See below. If you must. (Lolz).
4 months ago
isaaq
4 months ago
Chord of the circle = 12 cm.
Half the chord length = 6 cm.
Radius of the circle = 10 cm.
Distance of the midpoint of the chord from the centre of the circle = [10^2–6^2]^0.5 = [100–36]^0.5 = 64^0.5 = 8 cm.
Answer is 8 cm.
Follow
Chord of the circle = 12 cm.
Half the chord length = 6 cm.
Radius of the circle = 10 cm.
Distance of the midpoint of the chord
from the centre of the circle = [10^2–
6^2]^0.5 = [100–36]^0.5 = 64^0.5 =
8 cm.
Answer is 8 cm.
Follow