  Math Central - mathcentral.uregina.ca  Quandaries & Queries    Q & Q    Topic: circle area   start over

8 items are filed under this topic.    Page1/1            A circle of circumference 4*pi*r 2018-03-19 From Ankith:If the circumference of a circle is 4*pi*r, what is its area? i) 4*pi*r^2 ii) 2*pi*r^2 iii)3*pi*r^2 iv) pi*r^2Answered by Penny Nom.     The area of a circle 2016-08-12 From sandeep:if circumference of a circle is πd what is the area?Answered by Penny Nom.     The area of a circle in terms of the circumference 2014-11-04 From Sarah:How do you find the area of a circle if you already have the circumference? There was one answer to this question already but it didn't make sense to me, because they rounded up pi which you can't do so the answer is incorrect. thanksAnswered by Penny Nom.     How does pir^2 = 1/4pid^2? 2014-10-14 From al:Hi I cant work out the algebra. How does pir^2 = 1/4pid^2 ThanxAnswered by Penny Nom.     The area of a circle of circumference 32.69 meters 2014-06-11 From coco:Find the area of a circle with a circumference of 32.69 meters.Answered by Penny Nom.     The area of a semicircle 2012-05-28 From Rebecca:how do you find the area of a semi circle and then how do you add the area of a semi circle and the area of a rectangle?Answered by Penny Nom.     A path around a pond 2009-10-31 From adeniji:find the area of a concrete path 2m wide surrounding a circular pond 12m in diameterAnswered by Penny Nom.     The area of a circle knowing only the length of a chord 2007-09-05 From James:I need some help in the right directions with a problem. I was presented with a problem where I need to find the area of a circle knowing only the length of a chord. the is a circle in the center of a larger circle (which the size of either could change) the only thing that matter is that the chord is 100 ft long and rests on top of the smaller circle.Answered by Stephen la Rocque and Brennan Yaremko.      Page1/1    Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.    about math central :: site map :: links :: notre site français