PA and PB are tangents to a circle with centre O.

In the given figure, PA and PB are tangents to a circle with centre O. If ∠APB = 50°, then ∠OAB is equal to
(a) 25°
(b) 30°
(c) 40°
(d) 50°

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles MCQS

Solution:

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles MCQS

In the given figure, sides BC, CA and AB of ∆ABC touch a circle at point D, E and F respectively. If BD = 4 cm, DC = 3 cm and CA = 8 cm, then the length of side AB is
(a) 12 cm
(b) 11 cm
(c) 10 cm
(d) 9 cm

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles MCQS

Solution:

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 15 Circles MCQS

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