Question 1 :
In a circle of diameter 10 cm, the length of each of 2 equal and parallel chords is 8 cm, then the distance between these two chords is
Question 2 :
In a circle of radius $10$ cm, a chord is drawn $6$ cm from the centre. If a chord half the length of the original chord were drawn, its distance in centimeters from the centre would be<br>
Question 3 :
$AB$ is a chord of the circle with center $O$ and radius $r$, $OD\pm AB$ meeting $AB$ at $ D$. If $AB =8$ cm and $OD =3$ cm, then $r$ equals
Question 4 :
In a circle, if a chord $AB$ is nearer to the center $O$, then the chord $CD$ is
Question 5 :
A circle is inscribed in a triangle with sides $8,15 and 17$. The radius of the circle is.
Question 7 :
If a chord of length $2\sqrt { 2 }$ subtends a right angle at the centre of the circle, then its radius is
Question 8 :
One angle of a cyclic trapezium is double the other. What is the measure of the larger angle?
Question 9 :
If the number of units in the circumference of a circle is same as the number of units in the area,then the radius of the circle will be<br>
Question 10 :
The sum of the areas of two circle $A$ and $B$ is equal to the area of a third circle $C$, whose diameter is $30$ cm. If the diameter of circle $A$ is $18$ cm, then the radius of circle B is 
Question 12 :
Chords AC and BD of a circle intersect each other then the figure ABCD formed will be
Question 13 :
$\Box ABCD$ is a Rhombus. If it is inscribed in $\odot \left( 0,r \right) $, then $\Box ABCD$ is a ..............
Question 14 :
A circle has two equal chords AB and AC. Chord AD cuts BC in E. If $AC=12\:cm$ and $AE=8\:cm$,then AD is equal to
Question 15 :
In a circle with centre O, $OD\bot$chord AB. If BC is the diameter, then