Question

plzz answer this question guys

Answer 1

surface area = 2πrh= 550m²
 
h = 25 
                   ⇒2 × 22/7 × r ×25 = 550
                    ⇒2 × 22/7 ×r = 550/25
                     ⇒ 2 × 22 ×r = 22 × 7 
                      ⇒ 2 × r = 22/22 × 7
                        ⇒ r = 1 × 7 / 2
                          ⇒ r = 3.5 
                            ⇒ d = 2r = 2×3.5 = 7m 


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Answer 2

CSA = 550m^2
2 pie r h = 550
2 22/7 r 25= 550
r = 550 *7/22*2*25
r = 7.7
Diameter = 14