CBSE Class 10 Maths (Basic) 2020 · Paper 430/2/1 · Question 3

Circles 1 mark Medium

In Fig. 1,

O

is the centre of circle.

P Q

is a chord and

P T

is tangent at

P

which makes an angle of

5 0^{\circ}

with

P Q

∠ P O Q

Fig. 1: Tangent PT at P makes 50° with chord PQ.

Answer

(c)

10 0^{\circ}

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