Pie r2 is the formula needed to find out the area of a circle you have to square the radius of the circle (half the diameter of the circle) two times (btw square means times the number by it self) and times the answer by pie which is 3.14
pie r2
(pi)r2 (pie are square)
r2*pie=circumference 9(9)*pie 81*pie 254
pie*r2*h
Ab = Pie times r2
Area of a circle is found by: A = (Pie)(r2) Plug in 17 for 'r'. A = (Pie)(172) A = 907.920277 ft.
its 2 pie r squared BUT you have to add back the base (a circle) which is pie r2 The original formula is 4 pie r squared Your new formula is (2 pie r squared + pie r squared)
That is approximately 14.14 square inchesArea of pie = pi r2 = pi (62) = about 113.1 square inches113.1 / 8 = about 14.137
well you would times that by: R2=D*3.14(pie)=C
Pie X radius X radius or Pie X r2 ie circle with a radius of 3 ft. take 32 =9 * 3.14 = 28.26 ft2
Here is the two formulas *= pie=3.14 Radius C=r2* Diameter C=d*
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