The post of a street light is shaped like a truncated cone, as shown in the picture below. It is a large cone minus a smaller top cone. The large cone is 21 feet tall with base radius 1 foot. The smaller cone is 7 feet tall with base radius of 0.5 feet. (a) Find the volume (in cubic feet) of the large cone to the nearest tenth. cu. ft (b) Find the volume (in cubic feet) of the small cone to the nearest tenth. cu. ft (c) Find the volume (in cubic feet) of the post by subtracting the volume of the small cone from the volume of the large cone. Round your answer to the nearest tenth. cu. ft

The post of a street light is shaped like a truncated cone, as shown in the picture below. It is a large cone minus a smaller top cone. The large cone is 21 feet tall with base radius 1 foot. The smaller cone is 7 feet tall with base radius of 0.5 feet. (a) Find the volume (in cubic feet) of the large cone to the nearest tenth. cu. ft (b) Find the volume (in cubic feet) of the small cone to the nearest tenth. cu. ft (c) Find the volume (in cubic feet) of the post by subtracting the volume of the small cone from the volume of the large cone. Round your answer to the nearest tenth. cu. ft

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

The post of a street light is shaped like a truncated cone, as shown in the picture below. It is a large cone minus a smaller top cone. The large cone is 21 feet tall with base radius 1 foot. The smaller
cone is 7 feet tall with base radius of 0.5 feet.
(a) Find the volume (in cubic feet) of the large cone to the nearest tenth.
cu. ft
(b) Find the volume (in cubic feet) of the small cone to the nearest tenth.
cu. ft
(c) Find the volume (in cubic feet) of the post by subtracting the volume of the small cone from the volume of the large cone. Round your answer to the nearest tenth.
cu. ft

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