Answer:
i play game yes me do
Step-by-step explanation:
Um I think it's like because there's a zero difference like ten thousands have more zeros
(5+4+6-2)×2×2-1
(9-4)×2×2-1
5×2×2--1
10×2-1
20-1
19
This is because two angles are zero and top is a straight line, and a line is 180 degrees!
hopes this helps :)
