How do you calculate the area of a circle with a diameter of 41 cm?

1 Answer

#A ~~color(blue)(1320.7857) color(white)(x) cm^2#

Explanation:

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Area of circle #A = pi f^2# where r is the radius and #pi = 22/7#

#2 r = d#, d being the diameter of the circle.

#:. r = d/2#

#A = pi (41/2)^2 = (22 / 7) ( 41/2) (41/2) = (22 * 41 * 41) / (7 * 2 * 2)#

#A ~~ color(blue)(1320.7857) color(white)(x) cm^2#