Answers by visitors named: Adeshewa

Asector AOC=39.6cm Asector AOB=56/360×3.142r^2 39.6=175.952r^2 CROSS MULTIPLY 175.952r^2/175.952=14256/175.952 r^2=81.02 SQUARE ROOT BOTH SIDES Square root r^2=Square root 81.02 r=9.00~9 Asector BOC=70/360×3.142×81 A7ector BOC=17815.14/360 Asector BOC=49.48~49.5cm square

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2.98ampere