## a triangle has side lengths of (5.5x+ 6.2y) centimeters, (4.3x+8.3z) centimeters, and (1.6z-5.1y) centimeters. which expression represents t

Question

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## Answers ( )

Answer:(9.8x + 1.1y + 9.9z)cm

Step-by-step explanation:Perimeter is sum of the side lengths of (5.5x+ 6.2y) centimeters, (4.3x+8.3z) and (1.6z-5.1y) centimeters.

that is,

(5.5x+ 6.2y) cm + (4.3x+8.3z) cm + (1.6z-5.1y) cm

= (5.5x + 4.3x + 6.2y – 5.1y + 8.3z + 1.6z) cm

= (9.8x + 1.1y + 9.9z)cm