English, asked by agustinjuvelyn48, 4 months ago

How to mark a brainliest​

Answers

Answered by Anonymous
0

Explanation:

Answer:-

\red{\bigstar}★ \large\boxed{\tt\pink{Area = 616 \: cm^2}}

Area=616cm

2

\red{\bigstar}★ \large\boxed{\tt\pink{C.S.A = 1848 \: cm^2}}

C.S.A=1848cm

2

\red{\bigstar}★ \large\boxed{\tt\pink{T.S.A = 3080 \: cm^2}}

T.S.A=3080cm

2

\red{\bigstar}★ \large\boxed{\tt\pink{12936 \: cm^3}}

12936cm

3

⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

• Given:-

Base radius of a cylinder = 14 cm

Height of the cylinder = 21 cm

⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

• To Find:-

Area of the base

Curved surface area

Total surface area

Volume

⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

• Solution:-

⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

1.)

★ Area of Base:-

We know,

\pink{\bigstar}★ \large\underline{\boxed{\bf\green{Area = \pi r^2}}}

Area=πr

2

➪ \sf Area = \dfrac{22}{7} \times (14)^2Area=

7

22

×(14)

2

➪ \sf Area = \dfrac{22}{7} \times 196Area=

7

22

×196

➪ \sf Area = 22 \times 28Area=22×28

✯ \large{\bf\purple{Area = 616 \: cm^2}}Area=616cm

2

⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

2.)

★ Curved Surface Area:-

We know,

\pink{\bigstar}★ \large\underline{\boxed{\bf\green{C.S.A = 2 \pi rh}}}

C.S.A=2πrh

➪ \sf C.S.A = 2 \times \dfrac{22}{7} \times 14 \times 21C.S.A=2×

7

22

×14×21

➪ \sf C.S.A = 2 \times 22 \times 2 \times 21C.S.A=2×22×2×21

➪ \sf C.S.A = 44 \times 42C.S.A=44×42

✯ \large{\bf\purple{C.S.A = 1848 \: cm^2}}C.S.A=1848cm

2

⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

3.)

★ Total Surface Area:-

We know,

\pink{\bigstar}★ \large\underline{\boxed{\bf\green{T.S.A = 2 \pi r(h+r)}}}

T.S.A=2πr(h+r)

➪ \sf T.S.A = 2 \times \dfrac{22}{7} \times 14(21+14)T.S.A=2×

7

22

×14(21+14)

➪ \sf T.S.A = 2 \times 22 \times 2(35)T.S.A=2×22×2(35)

➪ \sf T.S.A = 44 \times 70T.S.A=44×70

✯ \large{\bf\purple{T.S.A = 3080 \: cm^2}}T.S.A=3080cm

2

⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

4.)

★ Volume:-

W know,

\pink{\bigstar}★ \large\underline{\boxed{\bf\green{Volume = \pi r^2 h}}}

Volume=πr

2

h

➪ \sf Volume = \dfrac{22}{7} \times (14)^2 \times 21Volume=

7

22

×(14)

2

×21

➪ \sf Volume = \dfrac{22}{7} \times 196 \times 21Volume=

7

22

×196×21

➪ \sf Volume = 22 \times 28 \times 21Volume=22×28×21

➪ \sf Volume = 616 \times 21Volume=616×21

✯ \large{\bf\purple{Volume= 12936 \: cm^3}}Volume=12936cm

3

Answered by MsInnocent
0

Firstly when someone answers your question ,

then

you can see that there is an option down the answer :

Mark as brainliest.

touch there.

Similar questions