Question

8. A solid cylinder has total surface area of 462 sq.cm. Its
curved surface area is one third of its total surface area.
Find its radius.
a) 8 cm
b) 6 cm
c) 7 cm
d) 5 cm​

Answer 1

Answer:

answer

Step-by-step explanation:

the radius is

8cm

Answer 2

option c is the correct answer....

here is your answer,

» (2πrh+2πr²)=462cm²

r=radius,h=height

»2πrh=462/3

»πr²=154cm²

»2πr²=154×2=308

»πr²=154

»r²=154/22×7=49

»r=√49

» r=7. is the correct answer...

please mark me as brainlest answer.......