A metal rod is 14 cm long and has an.external radius of 1.2 cm.If its thickens is 0.6 cm then find the total surface area of the rod
Answers
Answered by
4
Answer:
107.8cm^2
Step-by-step explanation:
if L=14 and R is =1.2 then CSA of cylinder will be 2piRH
=2X 22/7X1.2X14
=105.6cm^2
the area of upper circle of cylinder will be
2xpi(thickness)^2
2x22/7x0.6x0.6
=2.26
hence, total area will be
=105.6+2.26
=107.8cm^2
PLEASE MARK ME BRAINLIEST!!!!
Similar questions