Common chord of two intersecting circles: distance between centres or radius
This type of question, asked 2 times: CDS 2 2019, CDS 1 2020. All 2 questions below, oldest first.
Try each one first, then open its answer.
Question 1
CDS 2 2019
87Two equal circles intersect such that each passes through the centre of the other. If the length of the common chord of the circles is cm, then what is the diameter of the circle ?Tap an option to check your answer.
Question 2
CDS 1 2020
69Two circles of radii 20 cm and 16 cm intersect and the length of common chord is 24 cm. If is the distance between their centres, then which one of the following is correct ?Tap an option to check your answer.