Class 10 CBSE Maths Circles Important Questions
Here we provide Class 10 Maths important notes,board questions and predicted questions with Answers for chapter Circles. These important notes,board questions and predicted questions are based on CBSE board curriculum and correspond to the most recent Class 10 Maths syllabus. By practising these Class 10 materials, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 10 Board examinations.
Q1
The tangent at any point of a circle is perpendicular to the radius
through the point of contact.
solutions
solutions
Q2
The lengths Of tangents drawn from an external point to a circle
areequal.
solutions
solutions
Q3
Tangents PA and PB are drawn from an
external point P to two concentric circles
with centre O and radii 8 cm and 5 cm
respectively, as shown in the figure. If
AP = 15 cm then find the length of BP.
solutions
solutions
Q4
In the given figure, the incircle of ▵ABC
touches the sides BC, CA and AB at P, Q and
R respectively. Prove that
(AR + BQ+ CQ) = (AQ +BR + CP)
= 1/2 (perimeter of ▵ABC).
solutions
solutions
Q5
In the given figure, ABC is a right-angled
triangle with AB = 6 cm and AC = S cm.
A circle with centre O has inscribed
inside the triangle. Calculate the value of
r, the radius Of the inscribed circle.
Join OA, 0B and OC.
solutions
Join OA, 0B and OC.
solutions
Q6
rove that the parallelogram circumscribing a circle is a rhombus.
solutions
solutions
Q7
The incircle of an isosceles triangle ABC, with AB = AC, touches
the sides AB, BC, CA at D, E and F respectively. Prove that E
bisects BC.
solutions
solutions
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