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How do I find the area of a trapizoid?

 Mar 4, 2015

Best Answer 

 #2
avatar+128578 
+5

Assuming it's an  isosceles trapezoid (base angles  are equal), we have

A  = (1/2)h (b1 + b2)    where h is the height b1 is one of the bases and b2 is the other base

 

 Mar 4, 2015
 #1
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 A trapezoid has two parallel sides 

 

 and two not parallel sides.

 If we draw another line inside the trapezoid

 half way between the top and bottom lines.

 This line will cut the sides on the left and right 

 exactly in half.

 Now try this ...

 Draw a line inside the trapezoid

 one third of the way down from the top line

 to the bottom line.

 Because 1/3 is EXACTLY half as big as 2/3.

 Since the side on the left 

 and the side on the right are not parallel,

 one can be really long and the other can be really short.

 In any case, the lengths on the left

 will usually not be the same as the lengths on the right.

 

By the way I'm 9.
 Mar 4, 2015
 #2
avatar+128578 
+5
Best Answer

Assuming it's an  isosceles trapezoid (base angles  are equal), we have

A  = (1/2)h (b1 + b2)    where h is the height b1 is one of the bases and b2 is the other base

 

CPhill Mar 4, 2015

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