Question 2 :
Two chords of lengths 16 cm and 17 cm are drawn perpendicular to each other in circle of radius 10 cm. The distance of their point of intersection from the centre is approximately
Question 4 :
A chord of a circle, which is twice as long as its radius, is a diameter of the circle.
Question 5 :
Say true or false.<br>The centre of a circle is always in its interior.<br>
Question 6 :
Draw a circle and any two of its diameters. If you join the ends of these diameters, and if the diameters are perpendicular to each other the figure formed is a Rhombus
Question 7 :
The radius and length of an arc of a circle are 35 cm and 22 cm respectively The angle subtended by the arc at the centre of the circle is
Question 8 :
The diameter of the circle is $2$ cm. What is the circumference?<br/>
Question 9 :
What is the volume in cubic cm of a pyramid whose area of the base is $25 \,sq\,cm$ height $9cm$?
Question 10 :
The Chord of contact of tangents from a point $P$ to a circle passes through $Q$. If $l_1$ and $l_2$ are the lengths of the tangents from $P$ and$Q$ to the circle, then$PQ$ is equal to
Question 11 :
If the radius of a circle is increased by 3 times then the diameter increases by ____times
Question 12 :
What is the radius of a circular field whose area is equal to the sum of the areas of three smaller circular fields of radii $12m, 9m$ and $8m$ respectively?
Question 13 :
Consider the following statements and identify which are correct:<br>i) A secant to a circle can act as a chord.<br>ii) A chord cannot be a secant to the circle.<br>
Question 14 :
If a line intersects a circle in two distinct points then it is known as a
Question 15 :
If $\bar { PQ } $ is the diameter of a circle whose center is $R$. If the coordinates of $P$ are $(4,8)$ and $(8,4)$, what are the coordinates of $R$?
Question 16 :
If a diameter is drawn it divides the circle into____equal parts
Question 17 :
Coordinates of the centre of the circle which bisects the circumferences of the circles $x^{2}+y^{2}=1:\x^{2}+y^{2}+2x-3=0$ and $x^{2}+y^{2}+2y-3=0$ is
Question 18 :
The tangent to a circle is a special case of the secant is 
Question 20 :
What is the center of the circle having the equation$\displaystyle x^{2}+y^{2}-2x-4y=20$?