Prealgebra
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21cm21\(\operatorname{\mathrm{cm}\)}
10.5cm10.5\(\operatorname{\mathrm{cm}\)}
65.94cm65.94\(\operatorname{\mathrm{cm}\)}
32.97cm32.97\(\operatorname{\mathrm{cm}\)}
Padroneggia Area of a Circle Example 2 con una breve spiegazione video di Patrick Ford
What is the radius of the following circle?
Find the circumference. Use π=3.14π=3.14.
Find the area of the circle. Use π=227\(\pi\)=\(\frac{22}{7}\) and simplify.
