Question 3171
A trapezoid is a 4-sided figure with one pair of parallel sides.
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<pre>
      <font color=red>base1(b1)
    _________</font>
   /        <b><font color=green> |</font></b>\
  /<b><font color=green>height(h1)|</font></b> \
 /          <b><font color=green> |</font></b>  \
/           <b><font color=green> |</font></b>   \
<font color=red>-----------------
      base2(b2)</font>
</pre>
<P>
To find the area of a trapezoid, take the sum of its bases, multiply the sum by the height of the trapezoid, and then divide the result by 2, The formula for the area of a trapezoid is:
<br>
{{{A=((b1+b2)h)/2}}}
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Hope this helps,
best of luck.