Answer:
A = 169646cm²
Explanation:
Find the internal area of the pipe.
A = height(π × radius²) = h(πr²)
Plug in values. (radius = diameter/2 ⇒ r = 30/2 = 15cm) (2.4m = 240cm)
A = 240(π15²)
5.9m questions
7.7m answers