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Area and circumference of parts of circles
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@Bill_Cipher pulled another page
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So it is a quarter of a circle with radius 10?
yes
i belive so
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k. So area or circumference or both?
area were finding area
k. So this quarter-circle has the area of a quarter of a circle. Do you remember the formula for the area of a circle?
pi *2*r
No that is for circumference
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area is pi*r^2 or pi*r*r
so 3.14*10*2
for right now it would be better if you just keep pi as pi instead of rounding to 3.14
but otherwise yes
10*10 ok pi it is
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so we have 100pi
yes then i think it is divided by 1/4?
yes
so 25
25pi don't forget the pi
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okthat answer
or is there more i am taking these notes
that is it any more questions?
umm 2 more
k
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