A cupcake recipe says 4 cups of flour is needed to make about 30 cupcakes. About how much flour is needed to make 105 cupcakes?
1 answer:
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Answer: (11/2)π units.
Step-by-step explanation:
I've attached the solution.
Before seeing it there is a theorem you should remember.
The angle subtended by an arc of a circle at its center is twice of the angle it subtends anywhere on the circle’s circumference.
