Question

If the sides of a triangle are 3x+4, 5x-2, x+9 then its perimeter is

A) 6x+7
B) 8x+2
C) 4x+13
D) 9x+11​

Answer 1

Answer:

9x+11

Step-by-step explanation:

(3x+4)+(5×-2)+(×+9)=9×+11

Answer 2

Answer:

Option D) is correct

Step-by-step explanation:

Perimeter of /\ is a+b+c

(3x+4) +(5x-2)+(x+9)

=9x+11