Answer:
6 ways.
Step-by-step explanation:
a, b, c
a, c, b
b, a, c
b, c, a
c, a, b
c, b, a
x + 90⁰ + 90⁰ + 120⁰ = 360 ....sum of angles of quadrilatral is 360⁰
x = 60⁰...
I'm assuming your dividing 4/15 by 2/3.
The answer is not exact, but a close estimate.
4/15 /2/3 = 8/45
The answer is 139!