A solid cylinder has a TTSA of 462 cm Sq it's CSA is one - third of its TSA find the volume of the cylinder
Answers
Answered by
1
2*pi*r*h=1/3*2*pi*r(r+h)
h=1/3*(r+h)
3h=r+h
h=r/2
TSA=462
2*pi*r(r+r/2)=462
3*pi*r*r=462
pi*r*r=462/3=154
r*r=154*7/22=49
r=7
Volume=pi*r*r*h=pi*r*r*r/2=22/7*7*7*7/2
=539 sq cm
h=1/3*(r+h)
3h=r+h
h=r/2
TSA=462
2*pi*r(r+r/2)=462
3*pi*r*r=462
pi*r*r=462/3=154
r*r=154*7/22=49
r=7
Volume=pi*r*r*h=pi*r*r*r/2=22/7*7*7*7/2
=539 sq cm
Similar questions