Two circles touching externally, sum of areas and distance between centres given: difference of radii
The same question, asked 3 times: CDS 2 2016*, CDS 2 2021*, CDS 2 2022. Every wording below, oldest first.
Try each one first, then open its answer.
Question 1
CDS 2 2016
47Two circles touch externally and sum of their areas is and the distance between their centres is 14 cm. What is the difference in the radii of the circles ?Tap an option to check your answer.
Question 2
CDS 2 2021
62Two circles touch externally. The sum of their areas is square cm. If the distance between their centres is 9 cm, then what is difference between their diameters ?Tap an option to check your answer.
Question 3
CDS 2 2022
88Two circles touch externally. The sum of their areas is square cm and the distance between their centres is 13 cm. What is the difference in their radii ?Tap an option to check your answer.