The distance between centres of two circles of radii 3 cm and 8 cm is 13 cm. If the points of contact of a direction common tangent to the circles are P and Q, then the length of the line segment PQ is:
Answer: (2) 12 cm
Explanation:-According to the question in the figure –
Then, the length of the line segment P Q is 12 cm.
Hence, the answer is (2) 12 cm.