find the area he has colour draw a rough diagram
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66 sq cm? I am just trying to do..I'm not sure
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area of lattu=area of conical part+area of hemispherical part
=pi.r.l+2pi.r^2
here we take only curve surface part of hemisphere because they can color only that part.
now
l=root {(3.
25)^2+(7/4)^2}=root(13.6)=3.7cm (approx)
now area of lattu=22/7x (1.75) x (3.7)+ 2x22/7 (1.75)^2=20.35cm^2+19.25cm^2=39.7cm^2
=pi.r.l+2pi.r^2
here we take only curve surface part of hemisphere because they can color only that part.
now
l=root {(3.
25)^2+(7/4)^2}=root(13.6)=3.7cm (approx)
now area of lattu=22/7x (1.75) x (3.7)+ 2x22/7 (1.75)^2=20.35cm^2+19.25cm^2=39.7cm^2
abhi178:
oh thanks salini
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