A triangle has side lengths of (5k - 7) centimeters, (k - 4) centimeters, and
1 answer:
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Answer:
x = ± 4
Step-by-step explanation:
Given
x² - 1 = 15 ( add 1 to both sides )
x² = 16 ( take the square root of both sides )
x = ± = ± 4
Since the square has 4 sides, you only have to add 
four times.
The <span>perimeter of the square is: </span><span>
cm </span>
The <span>perimeter of the square is: </span><span>