the medicine capsule is in the shape of cylinder and hemisphere is stuck to the cylindrical shape total length is 14mm and diameter is 5mm find the surface area of capsule
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Answer:
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Answered by
3
Answer:
180.7
Step-by-step explanation:
Radius of hemispheres(r) = 5mm/2 = 2.5mm
Total length(L) = 14mm
Length of cylinder(h) = (14-radius of hemisphere)
= (14-5)mm
= 9mm
Radius of cylinder(r) = 2.5mm
Surface area = LSA of cylinder + LSA of hemisphere
= 2πrh+2π
= 2πr(h+r)
= 2×22/7×2.5(9+2.5)
= 110/7×11.5
= 1265/7
= 180.7
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