shayysims shayysims

24-07-2017
Mathematics

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The area (A) of a circle with a radius of r is given by the formula and its diameter (d) is given by d = 2r. What is the correct 5 step sequence of equations to rewrite the formula for diameter in terms of the area of the circle?

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purplechessnut purplechessnut

30-07-2017

A= pi×r^2 r=(1/2)d
A=pi×(1/2)d×(1/2)d
A=pi×0.5d×0.5d
A=pi×(0.5)^2 × d^2
A=pi×0.25d^2

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