Question

the base radius and a height of a cylinder are 7cm and 14cm respectively .its total surface area is​

Answer 1

Step-by-step explanation:

total surface area=πr(r+h)=22/7×7(7+14)=22×21=462cm²

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Answer 2

Given :

⬤ Base Radius of Cylinder is 7 cm.

⬤ Height of Cylinder is 14 cm .

To Find :

⬤ Total Surface Area of Cylinder .

Formula Used :

$\bf[\:{Total \: Surface \: Area \: of \: Cylinder = 2\pi{r}(r+h)}\:]$

• r = radius
• h = height

Solution :

• Radius = 7 cm.
• Height = 14 cm .

According to the Formula :-

2πr (r + h)

2 × 22/7 × 7 (7 + 14)

44 (7 + 14)

44 (21)

924

Therefore , The Total Surface Area of Cylinder is 924 cm².

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Related Formulas :

• Curved surface area of Cylinder = 2πrh
• TotalSurface Area of Cylinder = 2πr (r + h)
• Volume of Cylinder = πr²h
• Total Surface Area of Cube = 6a²
• Volume of a Cube = a³

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