Math, asked by apurva6934, 4 months ago

hollow cylinder with inner radius 3 cm, outer radius 4 cm and height 5 cm. find its surface area. (π = 3.14)

Answers

Answered by neelshubhavanasi

0

Answer:

Surface area=291.8cm²

Step-by-step explanation:

Surface area= 2πh(r₁+r₂)

Surface area= 2(3.14) 5(4+3)

=6.28 (5) (7)

=6.28(35)

=291.8cm²

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