Question

The curve surface area of cone is 4070 square cm and its diameter is 70 cm what is its height

Answer 1

Answer:

Curved surface area of a cone =πrl, where r is the radius of the cone and l is the slant height.

Radius =

2

Diameter

=35 cm

Hence, curved surface area of this cone =

7

22

×35×l=4070

⇒l=

22×35

7×4070

⇒l=37 cm

Step-by-step explanation:

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