Question

What is the value of a?

Answer 1

(13a-13) + (14a) + (3a+13)= 180
30a=180
180/30= 6
a=6

Answer 2

6

Explanation:

(13a-13)+(14a)+(3a+13)= 180°

= 13a-13+14a+3a+13= 180°

=30a = 180

,a = 180÷30 = 6

,a=6

hope its correct