Question

Please tell questions 5

Answer 1

ratio of height and radius is 1:1

Answer 2

C. S. A=2πrh

T. S. A=2πr(r+h)

Given: 2πrh/2πr(r+h)=1/2

h/r+h=1/2

2h=r+h

h=r

Therefore the ratio between h & r is 1:1