Question

Plsss help meee in math :(((​

Answer 1

a = 30

2a = 60

3a = 90

Explanation:

3a + 2a + a = 180 ( Sum of angles of a triangle is 180)

6a = 180

a = 180/6

a = 30

2a = 2 x 30 =60

3a = 3 x 30 = 90