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प्रश्न
The ratio between the circumference and diameter of any circle is _______
उत्तर
The ratio between the circumference and diameter of any circle is π
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संबंधित प्रश्न
A chord of a circle of radius 10 em subtends a right angle at its centre. The length of the chord (in em) is
`(A) 5sqrt 2`
`(B) 10 sqrt2`
`(C)5/sqrt2`
`(D) 10sqrt 3`
Write True or False. Give reason for your answer.
Sector is the region between the chord and its corresponding arc.
true or false
A chord of a circle, which is twice as long is its radius is a diameter of the circle.
true or false
The degree measure of an arc is the complement of the central angle containing the arc.
In the given figure, BC is a tangent to the circle with centre O. OE bisects AP. Prove that ΔAEO ∼ Δ ABC.
Draw two circles of different radii. How many points these circles can have in common? What is the maximum number of common points?
In the adjoining figure, seg DE is the chord of the circle with center C. seg CF⊥ seg DE and DE = 16 cm, then find the length of DF?
If d1, d2 (d2 > d1) be the diameters of two concentric circles and c be the length of a chord of a circle which is tangent to the other circle, then ______
In the given figure, O is the centre of the circle. Shade the smaller segment of the circle formed by CP.
Assertion (A): If the circumference of a circle is 176 cm, then its radius is 28 cm.
Reason (R): Circumference = 2π × radius of a circle.
