What is the perimeter of a triangle with sides the following lengths: 3a + 2c, 5c + 9, and 5a - 6. Simplify the expression.

Respuesta :

Answer:

8a+7c+3

Step-by-step explanation:

perimeter is adding all the way round;

3a+2c+5c+9 +5a-6

collect like terms

3a+5a +2c+5c+9-6

=8a+7c+3