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In the given figure, O is the centre of the circle. Find ∠CBD.
Concept: undefined >> undefined
In the given figure, AB and CD are diameters of a circle with centre O. If ∠OBD = 50°, find ∠AOC.
Concept: undefined >> undefined
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On a semi-circle with AB as diameter, a point C is taken, so that m (∠CAB) = 30°. Find m(∠ACB) and m (∠ABC).
Concept: undefined >> undefined
In a cyclic quadrilateral ABCD if AB || CD and ∠B = 70°, find the remaining angles.
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In a cyclic quadrilateral ABCD, if m ∠A = 3 (m ∠C). Find m ∠A.
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In the given figure, O is the centre of the circle and ∠DAB = 50° . Calculate the values of xand y.
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The bisects of exterior angle at B and C of ΔABC meet at O. If ∠A = x°, then ∠BOC =
Concept: undefined >> undefined
In the given figure, if ∠BAC = 60° and ∠BCA = 20°, find ∠ADC.
Concept: undefined >> undefined
In the given figure, if ABC is an equilateral triangle. Find ∠BDC and ∠BEC.
Concept: undefined >> undefined
In the given figure, O is the centre of the circle. If ∠CEA = 30°, Find the values of x, y and z.
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In ΔRST (See figure), what is the value of x?
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If the length of a chord of a circle is 16 cm and is at a distance of 15 cm from the centre of the circle, then the radius of the circle is
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The radius of a circle is 6 cm. The perpendicular distance from the centre of the circle to the chord which is 8 cm in length, is
Concept: undefined >> undefined
If O is the centre of a circle of radius r and AB is a chord of the circle at a distance r/2 from O, then ∠BAO =
Concept: undefined >> undefined
A chord of length 14 cm is at a distance of 6 cm from the centre of a circle. The length of another chord at a distance of 2 cm from the centre of the circle is
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One chord of a circle is known to be 10 cm. The radius of this circle must be
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ABC is a triangle with B as right angle, AC = 5 cm and AB = 4 cm. A circle is drawn with Aas centre and AC as radius. The length of the chord of this circle passing through C and B is
Concept: undefined >> undefined
If AB, BC and CD are equal chords of a circle with O as centre and AD diameter, than ∠AOB =
Concept: undefined >> undefined
An equilateral triangle ABC is inscribed in a circle with centre O. The measures of ∠BOCis
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PQRS is a square such that PR and SQ intersect at O. State the measure of ∠POQ.
Concept: undefined >> undefined
