One of the most important and exam oriented question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15
It is given that two circles with centres A, B are of radii 6 cm and 3 cm respectively. If AB = 15 cm,
Now we have to find the length of a transverse common tangent to these circles.
ICSE Avichal publication
Understanding ICSE Mathematics
Question 17
Solution:
![ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles Ex 15.3 Q17.1](https://www.learninsta.com/wp-content/uploads/2018/08/ML-Aggarwal-Class-10-Solutions-for-ICSE-Maths-Chapter-15-Circles-Ex-15.3-Q17.1.png)
![ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles Ex 15.3 Q17.2](https://www.learninsta.com/wp-content/uploads/2018/08/ML-Aggarwal-Class-10-Solutions-for-ICSE-Maths-Chapter-15-Circles-Ex-15.3-Q17.2.png)
AB = 15 cm.
Radius of the circle with centre A = 6 cm
and radius of second circle with radius B = 3 cm.