Question

a cylinder pole is 4.2 metre high and has a base diameter of 0.7 metre find the c.s.a of the pole​

Answer 1

$c.s.a = 2\pi\:rh \\ = > 2 \times \frac{22}{7} \times \frac{7}{20} \times \frac{42}{10} \\ = > 9.24$

Answer 2

Answer:

92.4cm

Step-by-step explanation:

CSA=2×22/7×3.5×4.2

=462/5

=92.4

HOPE I HELP YOU