Question

diameter of a hemispherical toy is 56 . find its curved surface area, total surface area and volume​

Answer 1

Answer:

Diameter of hemishpere =56

Its radius = d/2 = 56/2

Radius = 28.

T. S. A of hemishpere = 3πr²

= 3× 22/7×28×28

= 7392.

C. S. A of hemishpere = 2πr²

= 2×22/7×28×28

= 4928.

Volume of hemishpere = 2/3 πr³

=2/3× 22/7 ×28×28×28

= 45994.666

Hope it will helps u........

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Answer 2

Answer:

volume=45994 2/3 cm, CSA=4928 and Tsa =7392

Step-by-step explanation:

Hemisphere

d=56cm

r=d/2=56/2=28cm

• volume= 2/3πr^3
• = 2/3*22/7*28*28*28
• =21952*44/21

=965,888/21

=45994 2/3 cm

TSA=3πr^2

= 3*22/7,28*28

=784*66/7

=51744/7

= 7392cm

CSA=2πr^2

= 2*22/7*28*28

=44*784/7

=34496/7

= 4928cm