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On a sheet of paper draw a circle of any radius lcm. Cut out a sector of any angle θ with a tab on one of its straight edges. Next,fold the sector and stick the two straight edges together by using the tab. The figure formed is a cone where l is known as the {WTHZslant height.
On a sheet of paper draw a circle of any radius lcm. Cut out a sector of any angle θ with a tab on one of its straight edges. Next, fold the sector and stick the two straight edges together by using the tab. formed is a cone where l is known as the {WTHZslant height.