This recipe makes 20 portions of potato soup. Richard follows the recipe but wants to make 4 portions.
Complete the amounts of each ingredient that he needs.

Recipe: Serves 20
120 ml oil
280 g onions
1.8 kg potatoes
2.2 l milk

divide all the required ingredients by 5

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation:

c. side angle side. u shares the same sides