1.A vendor sells glasses of juice, which is in the form of a cylinder mounted by ahollow hemisphere. The diameter of the hemisphere and the cylinder is 8.4 cm. If thetotal height of the glass is 15 cm, which of these is closest to the volume, in cubiccentimeters, of 8 such glasses? (Use it as "22/7")
Answers
Answer:
The diameter of the hemispherical bowl is 12 cm
The radius of the hemisphere r=
2
12
=6 cm
The curved surface area of the bowl=2πr
2
= 2×3.14×6×6 cm
= 226.08 cm
2
The total height of the vessel is =16 cm
The height of the cylindrical part=(16−6) cm
=10 cm
The surface area of the cylinder =2πrh
=2×3.14×6×10 cm
2
=376.8 cm
2
The surface area of the vessel = Surface area of the cylinder + Surface area of the sphere
=(377.14+226.28) cm
2
=602.88 cm
2