Asked by jon
I'm asked to find the circumference of a circle to the nearest tenth and the area of the same circle to the nearest hundredth. The circle has a diameter of 30 and a radius of 15. I got a circumference of 94.2 and an area of 188.48cm2 with these formulas: C=2piR and A=piR2.
Is this correct?
Is this correct?
Answers
Answered by
bobpursley
No, not hardly
Do the area (paste this into your google search window)
PI*15^2
Then the circ..
PI*30
and you were right on that.
Do the area (paste this into your google search window)
PI*15^2
Then the circ..
PI*30
and you were right on that.
Answered by
Marth
The circumference looks good, but you may want to check the area calculations. (15^2 = 225)
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