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प्रश्न
Use the figure given below to fill in the blank:
R is the _______ of the circle.
उत्तर
R is the center of the circle.
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संबंधित प्रश्न
In the given figure, O is the centre of the circle. If ∠AOB = 140° and ∠OAC = 50°; find:
- ∠ACB,
- ∠OBC,
- ∠OAB,
- ∠CBA.
In the given figure, a circle touches all the four sides of a quadrilateral ABCD whose three sides are AB = 6cm, BC=7cm and CD=4 cm. Find AD.
If PT is a tangent to a circle with center O and PQ is a chord of the circle such that ∠QPT = 70°, then find the measure of ∠POQ.
The perimeter (in cm) of a square circumscribing a circle of radius a cm, is
AB and CD are common tangents to two circles of equal radii. Prove that AB = CD.
Draw two circles of different radii. How many points these circles can have in common? What is the maximum number of common points?
A circle of radius 3 cm can be drawn through two points A, B such that AB = 6 cm.
A figure is in the form of rectangle PQRS having a semi-circle on side QR as shown in the figure. Determine the area of the plot.
If an are subtends an angle of 90° at the centre of a circle, then the ratio of its length to the circumference of the circle is ______.
AB is a chord of a circle with centre O. AOC is diameter of circle, AT is a tangent at A.
Write answers of the following questions:
- Draw the figure using the given information.
- Find the measures of ∠CAT and ∠ABC with reasons.
- Whether ∠CAT and ∠ABC are congruent? Justify your answer.
