Form 3 Chapter 6 Angles and Tangents of Circles

The diagram shows a circle. Determine the value of x.

• $44\degree$

• $46\degree$

• $47.5\degree$

• $49\degree$

The diagram shows a circle. Find the value of x and y respectively.  

•  $x=35\degree\ ;\ y=5\ cm$  

•  $x=70\degree;\ y=10\ cm$  

•  $x=70\degree;\ y\ =20\ cm$  

•  $x=110\degree;\ y=20\ cm$  

The diagram shows a circle. Calculate the value of x.

• $21\degree$

• $32\degree$

• $64\degree$

• $128\degree$

Diagram shows a circle with centre O. Given that  $\angle\ ABO=42\degree$ . Find the value of  $\theta$ .  

•  $42\degree$  

•  $44\degree$  

•  $46\degree$  

•  $48\degree$  

Diagram shows a circle with centre O. Find the value of x.  

•  $40\degree$  

•  $50\degree$  

•  $60\degree$  

•  $70\degree$  

Diagram shows a circle with centre O. Find the value of x.  

•  $30\degree$  

•  $60\degree$  

•  $120\degree$  

•  $240\degree$  

Diagram shows a semicircle with centre O.  Find the value of x.  

•  $18\degree$  

•  $30\degree$  

•  $45\degree$  

•  $90\degree$  

Diagram shows a circle. Given that BD is diameter of the circle and  $\angle\ ABD=38\degree$ . Find the value of  $\angle\ ACB$ .  

•  $38\degree$  

•  $52\degree$  

•  $76\degree$  

•  $90\degree$  

Diagram shows a semicircle with centre O. Given that  $\angle\ OPQ=36\degree$ . Find the value of x.  

•  $36\degree$  

•  $44\degree$  

•  $46\degree$  

•  $54\degree$  

Diagram shows a semicircle with centre O. Given that  $\angle OPQ=30\degree$ and  $\angle RQS=25\degree$  . Find the value of x.  

•  $50\degree$  

•  $60\degree$  

•  $70\degree$  

•  $80\degree$