Question

the radius of base of cylinder is 7 cm and its height is 10 centimetre then find the curved surface area and total surface area.

slove steps by steps​

Answer 1

Answer:

hope this might help you

Answer 2

Answer :

• Curved surface area of cylinder is 440cm²
• Total surface area of cylinder is 748cm²

Given :

• The radius of base of cylinder is 7cm
• Height of cylinder is 10cm

To find :

• Curved surface area of cylinder
• Total surface area of cylinder

Solution :

As we know that,

• Curved surface area of cylinder = 2πrh

Where , r is radius and h is height

》Curved surface area of cylinder = 2πrh

》2 × 22/7 × 7 × 10

》440cm²

Hence, Curved surface area of cylinder is 440cm²

As we know that,

• Total surface area of cylinder = 2πr(r + h)

》Total surface area of cylinder = 2πr(r + h)

》2 × 22/7 × 7 (7 + 10)

》2 × 22(7 + 10)

》44 (17)

》748cm²

Hence, Total surface area of cylinder is 748cm²

• Curved surface area of cylinder is 440cm²
• Total surface area of cylinder is 748cm²