A cylinder drum of the radius 7cm and height 14cm find C.S.A, T.S.A and volume of the drum
Answers
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→ Given :-
- Radius of a cylinder drum = 7 cm
- Height of a cylinder drum = 14 cm
→ To Find :-
- C.S.A
- T.S.A
- Volume
→ Firstly, let us find C.S.A :
C.S.A = 2πrh
= 2 × 22/7 × 7 × 14
= 2 × 22 × 14
= 44 × 14
= 616 cm²
Therefore, C.S.A = 616 cm²
→ Now, let us find T.S.A :
T.S.A = 2πr (h + r)
= 2 × 22/7 × 7 (14 + 7)
= 2 × 22/7 × 7(21)
= 2 × 22/7 × 147
= 2 × 22 × 21
= 44 × 21
= 924 cm²
→ Let us find volume :
Volume = πr²h
= 22/7 × (7)² × 14
= 22/7 × 49 × 14
= 22 × 7 × 14
= 154 × 14
= 2156 cm³
→ Answers :
- C.S.A of cylinder drum = 616 cm²
- T.S.A of cylinder drum = 924 cm²
- Volume of cylinder drum = 2156 cm³
Answer:
Radius of a cylinder drum = 7 cm
Height of a cylinder drum = 14 cm
→ To Find :-
C.S.A
T.S.A
Volume
→ Firstly, let us find C.S.A :
C.S.A = 2πrh
= 2 × 22/7 × 7 × 14
= 2 × 22 × 14
= 44 × 14
= 616 cm²
Therefore, C.S.A = 616 cm²
→ Now, let us find T.S.A :
T.S.A = 2πr (h + r)
= 2 × 22/7 × 7 (14 + 7)
= 2 × 22/7 × 7(21)
= 2 × 22/7 × 147
= 2 × 22 × 21
= 44 × 21
= 924 cm²
→ Let us find volume :
Volume = πr²h
= 22/7 × (7)² × 14
= 22/7 × 49 × 14
= 22 × 7 × 14
= 154 × 14
= 2156 cm³
→ Answers :
C.S.A of cylinder drum = 616 cm²
T.S.A of cylinder drum = 924 cm²
Volume of cylinder drum = 2156 cm³