SOLUTION: The perimeter of a trapezoid is 39a – 7. Three sides have the following
lengths: 9a, 5a + 1, and 17a – 6.
What is the length of the fourth side?
Algebra.Com
Question 1125026: The perimeter of a trapezoid is 39a – 7. Three sides have the following
lengths: 9a, 5a + 1, and 17a – 6.
What is the length of the fourth side?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
The formula for the perimeter of a trapezoid is
given:
Three sides have the following
lengths:
, -> since trapezoid,
, and
->the length of the fourth side
check:
plug it in
-> which confirms our solution
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