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curved surface area of a cone = Trl, where r is the
radius and is the slant height.
The ice cream cone below is made from a piece of wafer.
Work out the area of wafer required to make the ice
cream cone.
Give your answer to 1 d.p.
2 cm
9 cm

curved surface area of a cone Trl where r is the radius and is the slant height The ice cream cone below is made from a piece of wafer Work out the area of wafe class=

Respuesta :

The area of wafer required to make the ice cream cone 68.75 cm²

What is Area?

The area is the amount of space within the perimeter of a 2D shape. It is measured in square units, such as cm², m², etc.

Given:

r= 2cm, l=9 cm

Surface area,

=πr(l +r)

=3.14*2(9 + 2)

= 6.25*11

=68.75 cm²

Learn more about area of cone here:

https://brainly.com/question/12118094

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