find the curved surface area and the total surface area of a cylinder valve dimensions are
radious of the base =4.2 cm and high = 90 cm
Answers
Answered by
3
curved surface area = 2πrh
= 2×22/7×4.2×90
=2376cm^2
total surface area = 2πr(r+h)
= 2×22/7×4.2(4.2+90)
=26.4×94.2
=2486.88cm^2
= 2×22/7×4.2×90
=2376cm^2
total surface area = 2πr(r+h)
= 2×22/7×4.2(4.2+90)
=26.4×94.2
=2486.88cm^2
Answered by
1
Answer:
Curved =2376 sq cm
Total =2486.88 sq cm
Step-by-step explanation:
Similar questions