Susan has a collection of 65 nickels and dimes. If the number of nickels is four times the number of dimes, how many nickels and
1 answer:
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Answer:
33.51
Step-by-step explanation:
There's a formula using the value of the angle but I don't remember it so the most easy way is:
A circle has an angle of 360°
so our section has an angle of 60
and we know that 360=60*6
so the area of the circle we divide it by 6 and we get the area we want
divide this by 6
units squared