Question

If (2a+6)+(2a-15)+(a+15)+(a-6)+60 degrees = 360 degrees find the value of a

Answer 1

Answer:

a=50

Step-by-step explanation:

Answer 2

Step-by-step explanation:

2a+6+2a-15+a+15+a-6+60=100

4a-9+2a+69=100

6a+60=100

6a=100-60

6a=40

a=40/6

i think i am correct ^_^