Question

Ina circle of radius 10 cm and centre O, PQ and PR are two equal chords, each of length 12 cm. What is
the length (in cm) of chord QR?

Answer 1

Answer:

.

Step-by-step explanation:

distance to the chord

.d=vr2-(c/2) 2

d =v10^2-6^2 = VI00-36 =v64 = 8

distance to the chord=8cm