Question

Find formula's :

1. Total surface area of cuboid
2. Curved surface area of cuboid?
3. TSA of cube?
4. CSA of cube?
5. TSA of cylinder?
6. CSA of cylinder?
7. TSA of cone?
8. CSA of cone?
9. TSA of hemisphere?
10. CSA of hemisphere?
11. Surface Area of sphere?


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Answer 1

Questions :-

1. Total surface area of cuboid

2. Curved surface area of cuboid? 2

3. TSA of cube?

3. TSA of cube?

4. CSA of cube?

5. TSA of cylinder?

6. CSA of cylinder?

7. TSA of cone?

8. CSA of cone?

9. TSA of hemisphere?

10. CSA of hemisphere?

11. Surface Area of sphere?

$\huge\mathbb\red{❥Answer\:}$

1. 2 (lw + wh + lh) square units
2. 2h ( l+b ) square units
3. 6a² units
4. 4a² units
5. 2πr ( r + h ) units
6. 2πrh units
7. πr ( r + l ) units
8. πrl units
9. 3πr² units
10. 2πr² units
11. 4πr² units

Answer 2

Step-by-step explanation:

TSA of cuboid- 2( lb+bh+hl)

CSA of cuboid- 2(l+b) h

TSA of cube - 6a2

TSA of cylinder- 2πr(h+r)

CSA of cylinder - 2πrh

TSA of cone - πrl +πr2

CSA of a cone - πrl

TSA of hemisphere - 3π2

CSA of hemisphere - 2π2

Surface area of sphere - 4π2