Question

Please solve the question in the attached document

Answer 1

Answer:

i don't know what is meaning

Answer 2

Answer:

solve as following :

Step-by-step explanation:

here, diameter = 25cm , thickness(height) = 1cm

radius = d/2 = 25/2 = 12.5cm.

Total surface area = 2πr(h+r)

=2 × 3.14 × 12.5 (1 + 12.5)

=6.28 × 12.5 × 13.5

=78.5 × 13.5

=1059.75 sq cm

= approx. 1060 sq cm.