kimberlyacosta205 kimberlyacosta205

26-01-2021
Mathematics

contestada

A triangle has side lengths of (10c + 10) centimeters, (c + 5) centimeters, and
(4d - 9) centimeters. Which expression represents the perimeter, in centimeters, of
the triangle?

Respuesta :

sussax1960 sussax1960

26-01-2021

Perimeter means that you add up the sides.

(10c + 10) + (c+5) + (4d-9)

Add like terms:

10c + c + 10 +5 -9 +4d

(11c + 6 +4d)cm is the perimeter.

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