How to find the length of the side of a rhombus - ISEE Upper Level Mathematics Achievement
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Question
A rhombus has a perimeter of 
. Give the side length of the rhombus.
A rhombus has a perimeter of
Answer
Like any polygon, the perimeter of the rhombus is the total distance around the outside, which can be found by adding together the length of each side. In the case of a rhombus, all four sides have the same length, i.e.
,
where 
is the length of each side.
Like any polygon, the perimeter of the rhombus is the total distance around the outside, which can be found by adding together the length of each side. In the case of a rhombus, all four sides have the same length, i.e.
where
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Question
A rhombus has the area of 
. One of the interior angles is 
. Give the length of each side of the rhombus.
A rhombus has the area of
Answer
The area of a rhombus can be determined by the following formula:
,
where 
is the length of any side and 
is any interior angle.
The area of a rhombus can be determined by the following formula:
where
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