Question

radius ;curved surface area =220cm², height = 10 cm

Answer 1

Answer:

3.5

Step-by-step explanation:

2πrh

$= 220 \\ = h = 220 \times \frac{7}{22} \times 2 \times 10 \\ h = \frac{7}{2} = 3.5h \\ therefore \: 3.5 \: answer$