Math, asked by pojjithaq1708, 6 months ago

21 contains a cylindrical pipe of length geyser contains a cylindrical pipe of length 14 cm and diameter 5 cm find the total radiative surface

Answers

Answered by niyas2392003

1

Step-by-step explanation:

Diameter = 5 cm

Radius = Diameter ÷2=5cm÷2=2.5cm

length of pipe =28m=2800cm

Total Radiating Surface of pipe = Curved surface area + 2 × Area of circular crossection

=2πrh+2πr

2

=2πr(h+r)=2×

7

22

×2.5(2800+2.5)=44039.28cm

2

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