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As seen in exercise 12, a sector of a circle can be used to construct a right circular cone. The length of the arc of the sector becomes the circumference of the base of the cone.
a. If the length of the arc is
b. In part (a), the radius of the sector is 5 units; what is the slant height of the cone that can be constructed?
c. Using the information in parts (a) and (b), what is the height of the cone that can be constructed?
d. Using information in parts (a)-(c), what is the angle measure for the original sector?
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A Problem Solving Approach to Mathematics for Elementary School Teachers (12th Edition)
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