a rectangular sheet of paper 44 cm × 40 cm is rolled along its length and a cylinder is formed find the volume of cylinder
Answers
Answered by
0
volume of cylinder =πr^2h
= 22/7 x r^2 h
r = 20
h = 44
so,
=22/7 x 20 ^2 x 44
ans=55,314.285712
= 22/7 x r^2 h
r = 20
h = 44
so,
=22/7 x 20 ^2 x 44
ans=55,314.285712
sanghuh:
wrong
Answered by
5
length of rectangular sheet=circumference of circle
2pai×r=44cm
2×22/7×r=44cm
r=(44×7)/44=7cm
breadth of rectangular sheet = height of cylinder=20cm
volume of cylinder=pai×r^2×h=(22/7×7×7×20)cm^3
=(22×7×20)cm^2=3080cm^3
volume of cylinder=3080cm^3
2pai×r=44cm
2×22/7×r=44cm
r=(44×7)/44=7cm
breadth of rectangular sheet = height of cylinder=20cm
volume of cylinder=pai×r^2×h=(22/7×7×7×20)cm^3
=(22×7×20)cm^2=3080cm^3
volume of cylinder=3080cm^3
thanks
tanks
Similar questions