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This circle has a radius of 12 millimeters and is divided into 8 equal sections. In terms of pi,
what is the area of 1 section of this circle?


Sagot :

Answer:

        A = 18π mm²

Step-by-step explanation:

Area of a circle: [tex]A_\circ =\pi r^2[/tex] where r is a radius of this circle

8 equal section means area of one is:  [tex]A=\dfrac{\pi r^2}{8\ }[/tex]

r = 12 mm

[tex]A=\dfrac{\pi\cdot 12^2}{8\ }=\dfrac{144\pi}{8}=18\pi[/tex]