Question 1 :
<span>Write true or false :</span><div><br/></div><div>A chord of a circle, which is twice as long as its radius, is a diameter of the circle.</div>
Question 3 :
<div>What is the volume in cubic cm of a pyramid whose area of the base is $25 \,sq\,cm$ height $9cm$?</div>
Question 4 :
If two circles $C_{1}$ and $C_{2}$ have three points in common, then which one of the following is correct?
Question 5 :
There are exactly two tangents to a circle passing through a point lying ........ the circle.
Question 6 :
The number of pair of tangents can be drawn to a circle, which are parallel to each other, are ............
Question 7 :
A circle and a tangent to the circle have in common
Question 8 :
Chords AC and BD of a circle intersect each other then the figure ABCD formed will be
Question 9 :
The two circles ${ x }^{ 2 }+{ y }^{ 2 }={ c }^{ 2 }\left( c>0 \right) $ touch each other if:
Question 10 :
The lengths of tangent drawn from an external point to a circle are equal.
Question 11 :
Two circle of radii $5.5cm$ and $3.3cm$ respectively touch each other, what is the distance between their centre?
Question 12 :
A circle of radius $25$ units has a chord going through a point that is located $10$ units from the centre. What is the shortest possible length that chord could have ?
Question 13 :
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 14 :
There is no tangent to a circle passing through a point lying ..... the circle.
Question 15 :
The length of the tangents from a point A to a circle of radius $3$ cm is $4$ cm. The distance (in cm) of A from the center of the circle is:<br/>
Question 16 :
The tangent to a circle is ..... to the radius through the point of contact.
Question 17 :
If ${C}_{1}$ and ${C}_{2}$ and ${r}_{1}$ and ${r}_{2}$ are respectively the centroids and radii of incircles of two congruent triangles, then which one of the following is correct?
Question 18 :
In a circle with center $O$, a chord $PQ$ is such that $OM\pm PQ$ meeting $PQ$ at $M$. Then
Question 19 :
The common point of a tangent to a circle and the circle is called .....
Question 20 :
A perpendicular at the end of the radius of a circle is