alikhokhar3452 alikhokhar3452

25-01-2021
Mathematics

contestada

Find the surface area of a 7.4 cm long iron rod and 3.1 m radius

Respuesta :

Ritmeks Ritmeks

30-01-2021

Answer:

144.2 cm

Step-by-step explanation:

Length of the iron rod is 7.4cm

Radius is 3.1m

Therefore the surface area can be calculated as follows

= 2πrl

= 2×3.142×3.1×7.4

= 144.2 I'm

Hence the surface area is 144.2cm

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