lisa asked in Science & MathematicsMathematics Β· 1 month ago

Geometry question?

You are making cone-shaped hats for a drama production. The pattern calls for circles with a 20-inch diameter. You are to cut out a sector created by a 60Β° angle, as shown in the figure.

What is the circumference, in inches, of the circular base of the conical hat? Round to the 𝐍𝐄𝐀𝐑𝐄𝐒𝐓 𝐓𝐄𝐍𝐓𝐇 *

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  • 1 month ago

    C of the circle = 2*pi*R=6.28*10=62.8 ".

    The sector is 5/6*62.8=52.333" .

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  • 1 month ago

    circumference is Ο€d = 62.8 in

    length of large arc is (62.8)(360–60)/360 = 52.4 in,Β 

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