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Anastaziya [24]
3 years ago
13

2. A solid is in the form of a right circular cylinder with a hemisphere at one end and a cone at the other end the radius of th

e common base 8cm and the heights of the cylindrical and conical portions are 10cm and 6cm respectively find the total surface area of the solid [π=3.14]
​
Social Studies
2 answers:
Law Incorporation [45]3 years ago
7 0

Answer:

Total Surface Area of Solid = C.s.a of hemisphere+C.s.a of cone+C.s.a of Cylinder

slant height of cone=√h²+r²

=√6²+8²

=√100

=10cm

height of cone = 10 cm

radius of hemisphere =radius of cone=radius of cylinder=8cm

T.S.A of solid=2πrh+2πr²+πrl

=πr[2h+2r+l]

=3.14*8[2*10+2*8+10]

=25.12[36+10]

=25.12*46

=1155.52 cm²

Explanation:

hope this helps

Kipish [7]3 years ago
7 0

Answer:

Height of the cylindrical part and cone are 10cm and 6cmrespectively

Radius of cone , cylinder and hemi sphere=3.5cm

r=3.5cm for both Cylinder and cone

The area of canvas required=Surface area of hemishphere,cylinder and cone parts of tent

A=2πr

2

+2πrh+πr(

h

2

+r

2

)

A=2π×3.5×3.5+2π×3.5×10+π×3.5(

3.5

2

+6

2

)

A=373.3cm

2

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