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प्रश्न
Fill in the blank
Circles having the same centre and different radii are called ...........................circles.
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उत्तर
Circles having the same centre and different radii are called Concentric circles.
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संबंधित प्रश्न
In fig. 3 are two concentric circles of radii 6 cm and 4 cm with centre O. If AP is a tangent to the larger circle and BP to the smaller circle and length of AP is 8 cm, find the length of BP ?
In Figure 3, a circle touches all the four sides of a quadrilateral ABCD whose sides are AB = 6 cm, BC = 9 cm and CD = 8 cm. Find the length of the side AD.
In the given figure, O is the centre of the circle. If ∠BOD = 160°, find the values of x and y.
If ABCD is a cyclic quadrilateral in which AD || BC (In the given figure). Prove that ∠B = ∠C.
Equal circles with centres O and O' touch each other at X. OO' produced to meet a circle with centre O', at A. AC is a tangent to the circle whose centre is O. O'D is perpendicular to AC. Find the value of\[\frac{DO'}{CO}\]
Use the figure given below to fill in the blank:
If PQ is 8 cm long, the length of RS = ________
The center of a circle is at point O and its radius is 8 cm. State the position of a point P (point P may lie inside the circle, on the circumference of the circle, or outside the circle), when:
(a) OP = 10.6 cm
(b) OP = 6.8 cm
(c) OP = 8 cm
The diameter of a circle is 12.6 cm. State, the length of its radius.
Draw a circle of any radius. Show one diameter, one radius and one chord on that circle.
The radius of a circle of diameter 24 cm is _______
