Question

(c) Which is greater—3 : 4 or 5 : 6?
6?​

Answer 1

Explanation:

Let height =3x, radius=1x

Volume of cylinder =πr

2

h=1029π

⇒x

2

.3x=1029

⇒3.x

3

=1029

⇒x=7

Height =21, radius =7

Total surface area =2πr(r+h)cm

2

=2π(7)(7+21)=1232cm

2

Answer 2

Answer:

ok trying

Explanation:

3:4 or 5:6

= 3:4 < 5:6