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A cone is shown. The radius of the base circle is 6 feet. A line is drawn from the center point of the base circle to the apex and has a length of 15 feet.
What is the type of two-dimensional solid created by a vertical cross section of the cone that passes through the apex? What is the area of the cross section?

triangle; area = 45 ft2
triangle; area = 90 ft2
circle; area = 36π ft2
circle; area = 144π ft2


Sagot :

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