Math, asked by kshitijak2007, 3 months ago

Find the total surface area of a closed cylindrical drum if it's diameter is 30cm and height is 45 cm. (3.14)

Answers

Answered by nisthainn

1

Answer:

diameter- 50cm

radius- 25cm

height- 45cm

total surface area= 2 π r (h + r)

= 2 x 3.14 x 25 (25 + 45)

= 10990 sq cm

Solution. Thus, the total surface area of the closed cylinderical drum is 10990 sq cm.

Step-by-step explanation:

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