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[Solved] Area geometry

 
Polygons
Last Post by Staff 4 years ago
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June 15, 2021 3:23 pm
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(@armor)
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June 15, 2021 3:23 pm
Topic starter
Staff 
(@armor)
Admin
  Honorable Member
317 Posts
156 153 0

Since BC is parallel to AD, the figure ABCD is a trapezoid. The area of a trapezoid is the average of the parallel sides times an altitude. Since CE is perpendicular to AD, e is an altitude.

\small e(\frac{1}{2})(b+d)=(\frac{1}{2})eb+(\frac{1}{2})ed.

Since   \small \frac{1}{2}=0.5,   E is the correct answer.

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