Question : In a circle with centre O, AD is a diameter and AC is a chord. Point B is on AC such that OB = 7 cm and
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution :
Given,
AD is a diameter
AC is a chord
OB = 7
Now,
⇒
⇒
In ΔAOC
AO = OC (Radius of the circle)
⇒
⇒
⇒
⇒
⇒
In ΔBOC,
OB = BC (Isosceles triangle)
⇒ OB = 7 cm
⇒ BC = 7 cm
Hence, the correct answer is