Question Text
Question 1 :
Line segment joining the centre to any point on the circle is a radius of the circle.
Question 3 :
Sate whether the following statements are true (T) or false (F):<br>Diameter is the longest chord of the circle.
Question 4 :
The length of chord of circle with radius 10cm drawn at a distance of 8cm
Question 5 :
If two chords of the circle ${ x }^{ 2 }+{ y }^{ 2 }-ax-by=0$, drawn from the point $\left( a,b \right)$ is divided by the x-axis in the ratio $2:1$ then:
Question 6 :
A right angled isosceles triangle is inscribed in the circle $x^2+y^2-4x-2y-4=0$ then length of the side of the triangle is
Question 7 :
<span>The circumference of a circle is equal to $72\pi$. Find the radius of this circle.</span>
Question 8 :
If $y=2x+K$ is a diameter to the circle $2(x^{2}+y^{2})+3x+4y-1=0$, then $K$ equals
Question 9 :
The equation of the circle and its chord are respectively $x ^ { 2 } + y ^ { 2 } = a ^ { 2 }$ are $xcos \alpha + y \sin \alpha = p.$ The equation of the circle of which this chord is <span>diameter is</span>
Question 10 :
If $\left( \alpha ,\beta \right) $ is a point on the chord $PQ$ of the circle ${ x }^{ 2 }+{ y }^{ 2 }=19,$ where the coordinate of $P$ and $Q$ are $(3,-4)$ and $(4,3)$ respectively, then