Find the perimeter of the triangle ABC
А
7x
6x
B
3x
C
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Answer:
the perimeter of triangle = A + B + C
= 7x + 6x + 3x
= 7 × x + 6 × x + 3 × x
= (7 + 6 + 3) (x + x + x)
= ( 16 ) (3x)
= (16 × 3x)
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