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Mathematics 11 Online
OpenStudy (anonymous):

A=πr2

OpenStudy (anonymous):

@nayelis what is the question please?

OpenStudy (anonymous):

this is the equation for the area of a circle with radius "r" \[\Large A=\pi r^2\]

OpenStudy (anonymous):

What is radius r

OpenStudy (anonymous):

the radius of the circle is represented by the letter "r" in the formula.......

OpenStudy (anonymous):

the radius of a circle is the distance from the center of the circle to any point on the circumference of the circle....

OpenStudy (anonymous):

In the formula?

OpenStudy (anonymous):

@nayelis what is the trouble ?

OpenStudy (anonymous):

Calculate the area of a 9 in piazza to the nearest square inch.

OpenStudy (anonymous):

we know that a pizza is circular (in general) and when they say 9" pizza, the 9" represents the diameter of the pizza (a circle)

OpenStudy (anonymous):

so, what will be its radius?

OpenStudy (anonymous):

R I think?

OpenStudy (anonymous):

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