It's because most of them are the same measurements therefore are the same angles. 1 is just the name of the triangle and is based off their sides and measurements
The first one is 19,487,171 and the second is 7,776
Well I think they are approximately the same I'm not exactly sure but they are close to each other
455/1000 should be the answer
Step-by-step explanation:
but what's question dude...??