Question

find the total surface area of cone slant height =10cm and diameter =24​

Answer 1

Answer:

total surface area of cone is 829.71

Step-by-step explanation:

firstly use TSA of cone and then substitute the values l=10cm and r= 12cm

Answer 2

Answer:

Diameter is 24 and slant height of cone is 10cm.

TSA( total surface area) of cone = CSA( curved surface area ) + Area or base .

Curved surface area of a right circular cone of base 'r' and slant height 'l' is πrl.

TSA of cone = πrl+ πr^2 = πr ( l + r ) .

Diameter (D)= 24

Radius= 24/2= 12

Slant height= 10

TSA of cone = πr (l+r)

= 22/7×10 (10+12)

= 22/7×10×22

= 22/7×220

= 4840/7 cm^2

thus, total surface area of cone is 4840/7 if not then when you'll divide it then you will 691.428571429.

Step-by-step explanation:

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