Let V be the volume of a right circular cone of height h = 20 whose base is a circle of radius R = 4. h (a) Use similar triangles to find the area of a horizontal cross section at a height y. Give your answer in terms of y. (Use symbolic notation and fractions where needed.)

Elementary Geometry For College Students, 7e
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ChapterA: Appendix
SectionA.1: Algebraic Expressions
Problem 30E
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Let V be the volume of a right circular cone of height h = 20 whose base is a circle of radius R = 4.
R
h
∙y
0
(a) Use similar triangles to find the area of a horizontal cross section at a height y. Give your answer in terms of y.
(Use symbolic notation and fractions where needed.)
Transcribed Image Text:Let V be the volume of a right circular cone of height h = 20 whose base is a circle of radius R = 4. R h ∙y 0 (a) Use similar triangles to find the area of a horizontal cross section at a height y. Give your answer in terms of y. (Use symbolic notation and fractions where needed.)
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