To find out cone A, with radius 3 inches (r) and height 7 inches (h), has a greater surface area or cone B, with radius 4 inches (r) and height 6 inches (h), has a greater surface area.
Answer to Problem 16E
The cone B has a greater surface are
Explanation of Solution
Given information:Cone A has radius 3 inches and height 7 inches. Cone B has radius 4 inches and height 6 inches
Formula used:
Calculation:
Cone A:
Substituting the values on radius and height
Hence the surface area of the cone is,
100.5 inch2
Cone B:
Substituting the values on radius and height
Hence the surface area of the cone is,
140.88 inch2
Comparing surface area of both the cones.
Hence, Cone B have a greater surface area.
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Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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