If the sides of the triangle are 4x+6y-8z, 7x-4y+9z and 3x-5y+11z , find the perimeter of the triangle ?
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Answer:
14x-3y+12z
Step-by-step explanation:
add all the 3 sides of the triangle to get perimeter
4x+6y-8z+7x-4y+9z+3x-5y+11z=perimeter
4x+7x+3x+6y-4y-5y-8z+9z+11z=perimeter
perimeter=14x-3y+12z
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