Question

Find total surface area and CSA of cylinder having height 14cm and radius 21 cm

Answer 1

hlo

height = 14 cm
radius = 21 cm

C S A = 2πrh
2×22/7 × 21 × 14

1848 cm ^2

TSA = 2 πr ( h + r )

2 × 22/7 × 21 ( 14 + 21 )

2 × 22 × 3 ( 35)

132 × 35


4620 cm ^2

Answer 2

total surface area of cylinder = 4620 cm
curved surface area of cylinder =1848 cm