Find the curved surface area of cone of height 7cm and radius 3.5cm
Answers
Answered by
0
Answer:
The CSA of cone is 86.02 square cm
Step-by-step explanation:
Given, radius =3.5 cm
Height=7 cm
Then slant height of cone,
l =√{h^2+ r^2}
l =√{7^2+(3.5)^2}
l = 7.82
Curved surface area of cone
= πrl
= (22/7)×3.5×7.82
= 86.02 square cm
Similar questions