mkkAlppaxalleHeide mkkAlppaxalleHeide

01-03-2017
Mathematics

contestada

How can i find the length of a chord?

Respuesta :

BigBangGang BigBangGang

01-03-2017

Chord length = 2√r²-d²
r= radius of the circle
d= perpendicular distance from the chord to the circle center.

Example:
radius = 5cm
distance = 4cm

2√5²-4²
=2√25-16
=2√9
=2×3
=6cm

Answer: 6 cm.

Hope this helped!

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