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Find the area of the shades portion question no 11 |
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Answer» 1) √ 12²+5²=√144+25=√169=13 from HERONS formula, s=13+14+15/2=21 area=√21(21-13)(21-14)(21-15) =√21*8*7*6 =√3*7*2*2*2*7*2*3 =2*3*7*2 =84 now area of shaded figure =84-area of r.Δ =84-1/2*12*5 =84-30 =54 |
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