the volume of a cylinder is 2500π cm and its height is 49cm find its lateral surface area and total surface area of cylinder
Answers
Answered by
19
Answer:
Volume of cylinder= 2500π
= πr²h=2500π
=49×r²=2500
=r²=2500/49
=r=√(2500/49)
=50/7 cm
LSA= 2πrh
= 2×(22/7)×(50/7)×49
=2200 cm²
TSA= 2πr(h+r)
=2× (22/7)×(50/7) ×[49+(50/7) ]
= 2200/49 × [49×7+50]/7
=(2200×393)/343
=2520.7 cm²
Similar questions