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प्रश्न
All the radii of a circle are _______________
उत्तर
All the radii of a circle are equal
APPEARS IN
संबंधित प्रश्न
Prove that the line segment joining the point of contact of two parallel tangents to a circle is a diameter of the circle.
In fig.. O is the center of the circle and BCD is tangent to it at C. Prove that ∠BAC +
∠ACD = 90°
In the following figure, OABC is a square. A circle is drawn with O as centre which meets OC
at P and OA at Q. Prove that:
(i) ΔOPA ≅ ΔOQC, (ii) ΔBPC ≅ ΔBQA.
A quadrilateral is drawn to circumscribe a circle. Prove that the sums of opposite sides are equal ?
In the given figure, if ABC is an equilateral triangle. Find ∠BDC and ∠BEC.
The point of concurrence of all angle bisectors of a triangle is called the ______.
ABC is a triangle with AB = 10 cm, BC = 8 cm and AC = 6 cm (not drawn to scale). Three circles are drawn touching each other with the vertices as their centres. Find the radii of the three circles.
Find the missing values in the following table for the circles with radius (r), diameter (d) and Circumference (C).
| radius (r) | diameter (d) | Circumference (C) |
| 24 m |
In the following figure, if ∠OAB = 40º, then ∠ACB is equal to ______.
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.
