7. Jena has a triangular garden with a perimeter that can be represented by 25r ^ 2 - 9r + 14 . The sum of two sides of the gard
en is represented by 10r ^ 2 + 12r + 9 . Which expression represents the length of the third side ?
1 answer:
Answer: 
Step-by-step explanation:
Given: Perimeter of triangular garden = 
The sum of two sides of the garden = 
Perimeter is the sum of all sides of a triangle.
Third side = Perimeter of triangular garden - sum of two sides of the garden

The expression represent the third side =
.
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Answer:
13
Step-by-step explanation:
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× = 13 degrees
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