Circles | Class 10 | Math
Автор: Anjali Academy YT
Загружено: 2026-02-11
Просмотров: 23
Описание:
Questions covered in this video👇🏻
Q.1 From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from
the centre is 25 cm. The radius of the circle is
Q.2 In Fig. 10.11, if TP and TQ are the two tangents
to a circle with centre O so that POQ = 110°,
then PTQ is equal to
(A) 60° (B) 70°
(C) 80° (D) 90°
Q.4 Prove that the tangents drawn at the ends of a diameter of a circle are parallel.
Q. 7 Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the
larger circle which touches the smaller circle.
Q. 8A quadrilateral ABCD is drawn to circumscribe a circle (see Fig. 10.12). Prove that
AB + CD = AD + BC
Q. 9 In Fig. 10.13, XY and XY are two parallel tangents to a circle with centre O and
another tangent AB with point of contact C intersecting XY at A and XY at B. Prove
that AOB = 90°.
Q. 10 Prove that the angle between the two tangents drawn from an external point to a circle
is supplementary to the angle subtended by the line-segment joining the points of
contact at the centre.
#class10maths #anjaliacademy5307 #mindx #circle #circleclass10
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