CBSE Class 9 Maths Introduction to Circles
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- if two circles intersect in two points,prove that the line through the centres is the perpendicular bisector of the common chord
- Does a diameter of acircle divides it into two equal segments?
- Prove that two different circles cannot intersect each other at more than two points.
- Define centre of a circle.
- Define sector of a circle.
- What is the difference between a chord and secant of a circle?
- Draw a line segment AB of length 4.8 cm. Construct two semi-circles on opposite sides of AB such that half the length of AB is the diameter of each of the semi-circles.
- Draw a circle whose diameter is 4 cm. Mark the points P, Q, and R in the interior, exterior and on the circle respectively.
- Draw a circle with radius 2.1 cm. Draw three chords of the circle such that they form an equilateral triangle.
- Construct an isosceles triangle in a circle of radius 3 cm. Measure the length of the three sides.
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