Determine the curved surface area of the following cone, giving your answer to 1 decimal place.

Since the curved surface area can be obtained by the formula , where r is the radius of the cone, and l is the slant height,

Curved surface area = = 3.14 x 6 x 10 = 188.4 square units

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to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

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