Question

the radius and vertical height of a cone are 5 and 12cm . find its curved surface area​

Answer 1

Answer:

204.28 cm²

Step-by-step explanation:

Radius of cone = 5 cm

Vertical height = 12 cm

Slant height = 13 cm (According to Pythagoras theorem)

CSA of cone = πrl

= 22/7 × 5 × 13

= 204.28 cm²