Question

(ix) If OA = 8 cm then the length of the longest chord is
3. The diameter of a circle with its centre at O is 11 cm. If OA = 6 cm, OB =5.5 cm an
OC = 4.8 cm, where (inside/outside/on the circle) are the points (i) A, (ii) B and (iii) C?​

Answer 1

Answer:

The longest chord is the diameter of the circle

∴ Diameter=8cm

Radius=

2

diameter

=

2

8

=4cm

∴ Radius of the circle=4 cm