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Question Number 160544 by cortano last updated on 01/Dec/21

Commented by bobhans last updated on 01/Dec/21

 A=(√(11×10×7×8)) = 4(√(385))   R=((√(157×166×158))/(16(√(385)))) = ((√(1029449))/(8(√(385))))   S_(circle) = ((1029449π)/(24640))

$$\:\mathrm{A}=\sqrt{\mathrm{11}×\mathrm{10}×\mathrm{7}×\mathrm{8}}\:=\:\mathrm{4}\sqrt{\mathrm{385}} \\ $$$$\:\mathrm{R}=\frac{\sqrt{\mathrm{157}×\mathrm{166}×\mathrm{158}}}{\mathrm{16}\sqrt{\mathrm{385}}}\:=\:\frac{\sqrt{\mathrm{1029449}}}{\mathrm{8}\sqrt{\mathrm{385}}} \\ $$$$\:\mathrm{S}_{\mathrm{circle}} =\:\frac{\mathrm{1029449}\pi}{\mathrm{24640}} \\ $$

Commented by mr W last updated on 01/Dec/21

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