Question

B
6x+7
3x+c
2x-1

What is the value of c in degrees

Answer 1

1.x=15

2.<A=29

Explanation:

(2x-1)+(3x+9)+(6x+7)=180

2x-1+3x+9+6x+7=180

11x+15=180

11x=180-15

11x=165

x=165/11

x=15

2.<A=2x-1

<A=2*15-1

<A=30-1

<A=29