NCERT Class 10 Chapter 15 Constructions CBSE Board Sample Problems Very Short Answer (For CBSE, ICSE, IAS, NET, NRA 2022)
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Question
In the figure, given below PA and PB are tangents to the circle drawn from an external point P. CD is the third tangent touching the circle at Q. If PB = 10cm and CQ = 2 cm, what is the length of PC?
Solution
Ans.
Question
In the given figure, if TP and TQ are the two tangents to a circle with centre O so that then find
Solution
Ans. Since
Question
In figure. PA and PB are tangents from P to the circle with centre O. R is a point on the circle prove that.
Solution
Ans. Since length of tangents from an external point to a circle are equal in length
And
Now