Question

The length of a chord of a circle is 16.8 cm, radius is 9.1 cm. Find its distance from the centre.​

Answer 1

Step-by-step explanation:

SUPPOSE AB IS LENGTH OF CHORD

AND O IS THE CENTER OF CIRCLE AND OA IS RADIUS .

NOW

OM 0M perpendicular to AB

OM =??

AM=MB=8.4cm

OA=9.1 cm

NOW USING FORMULA

OA^2 = OM^2 + AM^2

KRO AUR PHIR ANS ANS AA JAYEGA

ISME JO OM KA VALUE AAYEGA WAHI ANS HOGA