a rectangular sheet of paper 44 cm into 20 cm is rolled along its length to form a cylinder find the total surface of the cylinders The generated
Answers
Answered by
17
when we roll a rectangular sheet in cylinder then it length will become circumference of the base and width will become height of the cylinder
so,
r=C/2π = 44*7/22*2
r=7cm
now
T.S.A = 2πr(r+h)
2*22/7*7(7+20)
2*22/7*7*27
After multiplication and division
1188 sq.cm Ans...
hope...this will helpful to you....
so,
r=C/2π = 44*7/22*2
r=7cm
now
T.S.A = 2πr(r+h)
2*22/7*7(7+20)
2*22/7*7*27
After multiplication and division
1188 sq.cm Ans...
hope...this will helpful to you....
Answered by
0
Answer:
part of Shadow there no light reaches is called
Similar questions