UPSC CDS 1 2018 Math Paper

© examsiri.com
Question : 73 of 100
 
Marks: +1, -0
The radii of two circles are 4.5 cm and 3.5 cm respectively. The distance between the centres of the circles is 10 cm. What is the length of the transverse common tangent ?
[2018 CDS-I]
Go to Question: