17.3 Areas and sectors of circles
Areas and sectors of circles
Lessons

1.
Find the areas of the circles with the given information below.

2.
Find.
i) Area of the circle
ii) The area of the shaded sector 
3.
Linda wants to get pizzas for her house party. She has invited 10 friends over. A 12inch pizza is enough for 4 people. An 8inch pizza is $7, while a 12inch pizza is $12. How many 8inch pizzas and 12inch pizzas does she need to order, if: