Question 1 :
If the radius and arc length of a sector are 17 cm and 27 cm respectively, then the perimeter is
Question 2 :
Circular dome is a 3D example of which kind of sector of the circle?
Question 3 :
A cord in the form of square encloses the area 'S'$ \displaystyle cm^{2} $ If the same cord is bent into the form of a circle then the area of the circle is
Question 4 :
Area of a sector having radius 12 cm and arc length 21 cm is
Question 5 :
A circular disc of radius $10 cm$ is divided into sectors with angles $120^o$ and $150^o$, then the ratio of the area of two sectors is
Question 6 :
If the sector of a circle of diameter $14 cm$ subtends an angle of $30^{\circ}$ at the centre, then its area is
Question 7 :
The diameter of two circles are $32 cm$ and $24 cm$. Find the radius of the circle having its area equal to sum of the area of the two given circle.
Question 8 :
The area of a circle drawn with its diameter as the diagonal of a cube of side of length 1 cm each is :
Question 9 :
A wire bent in the form a square incloses an area of 484 $\displaystyle m^{2}$ but if the same wire is bent in the form of a circle the area enclosed will be <br>
Question 10 :
Express$\displaystyle \cos { { 79 }^{ o } } +\sec { { 79 }^{ o } }$ in terms of angles between$\displaystyle { 0 }^{ o }$ and$\displaystyle { 45 }^{ o }$
Question 13 :
Choose and write the correct alternative.<br>If $3 \sin \theta = 4 \cos \theta$ then $\cot \theta = ?$<br>
Question 14 :
If $sin({ 90 }^{ 0 }-\theta )=\dfrac { 3 }{ 7 } $, then $cos\theta $
Question 15 :
What is the value of $\displaystyle { \sin }^{ 2 }{ 35 }^{ o }+{ \sin }^{ 2 }{ 55 }^{ o }$ ?
Question 18 :
If $\displaystyle \frac{x}{a}\cos \theta +\frac{y}{b}\sin \theta =1,\frac{x}{a}\sin \theta-\frac{y}{b}\cos \theta=1,$ then eliminate $\theta $<br>