LA volume of 185.5 cubic feet of concrete was used to make the section of a skateboard ramp shown. How long is the ramp? 4 ft 7 ft

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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19509 piwollot
1. A volume of 185.5 cubic feet of
concrete was used to makeo
the section of a skateboard
ramp shown. How long is
the ramp?
4 ft
7 ft
Transcribed Image Text:19509 piwollot 1. A volume of 185.5 cubic feet of concrete was used to makeo the section of a skateboard ramp shown. How long is the ramp? 4 ft 7 ft
Expert Solution
Step 1

Given:

Geometry homework question answer, step 1, image 1

V=185.5 cubic feet

 

The expression for the volume of the concrete section is:

V=A×d

Where, A is the area of the triangle and 'd' is the depth.

And

We know that the area of the triangle:

A=12bh

Where, 'b' is the base and 'h' is the height of the triangle.

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