the three sides of a triangle are 9x² - 4y, 3x² + y and 6y - 4x². find its perimeter.
Answers
Answered by
11
Answer:
perimeter = 8x² + 3y
Step-by-step explanation:
perimeter = a+b+c
a = 9x² - 4y
b = 3x² + y
c = 6y - 4x²
perimeter = a+b+c
perimeter =9x² - 4y +3x² + y+6y - 4x²
perimeter = 8x² + 3y
Answered by
0
Answer:
perimeter = (x+1)+(3x+6y+2)+(x-y-9)
=5x+5y-6
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