Calculate the circumference of a circle that has a radius of 7 cm. Use  $\pi=\frac{22}{7}$  

(a)  

Given the circumference of a circle is 88 cm, calculate the radius of the circle in cm. Use  $\pi=\frac{22}{7}$  

(a)  

Calculate the area of a circle that has a radius of 10 cm.  Use  $\pi=3.142$  

(a)  

Give the area of a circle is  $38.5\ cm^2$ , calculate the radius.
Use  $\pi=\frac{22}{7}$  

(a)  

Given the circumference is 4.4 cm, calculate the area of the circle. Use  $\pi=\frac{22}{7}$  

(a)  

The diagram below shows a circle with a radius of 12.6 cm and centred at O. Calculate the length of minor arc MN which encloses 100° at the centre. Use  $\pi=\frac{22}{7}$  

(a)  

The diagram below shows a circle with centre O and radius 21 mm. Calculate the area of the minor sector POQ. Use  $\pi=\frac{22}{7}$  

(a)  

The diagram shows a sector of a circle with centre O. Given that the length of arc MN is 15.71 cm, find the radius of the circle. Use  $\pi=3.142$  

(a)  

The diagram shows a circle with centre O and a radius of 12 cm. The area of the minor sector AOB is 176 $cm^2$  . Find the value of  $\theta$ . Use  $\pi=\frac{22}{7}$  

(a)