What is the INTERIOR Angle Sum of any polygon? what one of the following:

1.) 540
2.) 360
3.) 2
4.) Depends on how many sides the polygon has

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.