# Gutter

How much metal is needed for production 46 pieces of gutter pipes with the diameter 12 cm and length of 4 m? The plate bends add 2% of the material.

Result

S =  70.8 m2

#### Solution:

$S = 46\cdot 4 \cdot \pi \cdot \dfrac{ 12}{100} (1+ \dfrac{ 2}{100}) = 70.8 \ m^2$

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