if the radius of the length of cone are 2 and 21 respectively find its surface area
Answers
Answered by
1
HEYA.....!!!
Radius of a cone = 2cm
Length of cone =21cm
Total surface of cone = πr(r+l)
=> π x 2 (2+21)
=>π x 2 (23)
=>π x 46
=>3.14 x 46 ( π = 3.14 )
=>144.44 cm^2.
hope it helps you ☺
Radius of a cone = 2cm
Length of cone =21cm
Total surface of cone = πr(r+l)
=> π x 2 (2+21)
=>π x 2 (23)
=>π x 46
=>3.14 x 46 ( π = 3.14 )
=>144.44 cm^2.
hope it helps you ☺
yuvraj113:
but 3.14 kese aaya
π =3.14
but radius 3.14 kese aaya I not understand please give me explanation
radius is not 3.14 ....radius was mutiplied by the bracket
Similar questions