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posted by  BoZo on 9/16/2008 7:11:37 PM  |  status: Live  

Trapazoid Question

Course Textbook Chapter Problem
Algebra Intermediate Algebra (10th) by Hornsby, Lial, McGinnis 2.5 #53
Question Details:
A survey plot with two parallel sides that measure 115.80 ft. and 171.00 ft . The height of the trapazoid is 165.97 ft. Find the combined area of the two lots. Round to the nearest hundredth of a square ft.
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posted by Retske on 9/16/2008 7:23:52 PM  |  status: Live
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"Thank You:)"
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What do you mean by 2 lots? from the sounds of it there is only one lot with those dimensions.  So we apply the trapezoid formula.

If there are 2 lots that are identical multiple by 2.

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posted by ninomunoz on 9/16/2008 7:25:31 PM  |  status: Live
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"Thank You Ninomunoz"
Response Details:




A = h(b1 + b2)/2

A = 165.97 x (115.80 + 171.00) / 2

= 23800.1 ft2
I hope this helps!! Leave me a good rating, please! Thanks.

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