How to find the perimeter of a trapezoid - ISEE Upper Level Mathematics Achievement
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Question
The perimeter of the following trapezoid is 
.
The following is given:
Find 
.
Figure not drawn to scale.
The perimeter of the following trapezoid is
The following is given:
Find
Figure not drawn to scale.
Answer
The perimeter of a trapezoid is equal to the sum of all of the sides, i.e.
,
where 
are the lengths of each side.
The perimeter of a trapezoid is equal to the sum of all of the sides, i.e.
where
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Question
The bigger base length of a trapezoid is two times bigger than the smaller base length. Legs of the trapezoid have the same length of 
. If the perimeter of the trapezoid is 
, give the length of the smaller base.
The bigger base length of a trapezoid is two times bigger than the smaller base length. Legs of the trapezoid have the same length of
Answer
Like any polygon, the perimeter of a trapezoid is the total distance around the outside, i.e.
,
where 
are the lengths of each side.
Let 
small base length and 
big base length.
Like any polygon, the perimeter of a trapezoid is the total distance around the outside, i.e.
where
Let
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