A toy is in the form of cone of radius 3 cm mounted on the hemisphere of same radius the slant height of the cone shape is 10 cm find the TSA of the toy
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cone
r=3cm
l=10cm
hemisphere
r=3cm
TSA of toy=TSA of cone+TSA of hemisphere
=πr(l+r)+3πr²
=22/7×3(10+3)+3×22/7×3×3
=22/7×3(13)+3×22/7×9
=22/7×39+3×22/7×9
=858/7+594/7
=1452/7
=207.42cm²(approx)
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r=3cm
l=10cm
hemisphere
r=3cm
TSA of toy=TSA of cone+TSA of hemisphere
=πr(l+r)+3πr²
=22/7×3(10+3)+3×22/7×3×3
=22/7×3(13)+3×22/7×9
=22/7×39+3×22/7×9
=858/7+594/7
=1452/7
=207.42cm²(approx)
hope this answer will help you
if this is the right answer then mark it as brainliest please please
bhaskar021:
We cannot use CSA of cone +CSA of hemisphere here?
anawer is wrong
it is csa not tsa
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