Find m∠4 if m∠1 = 100°

m4{=100 is the answer

-19

Step-by-step explanation:

In integers whichever is a smaller number is bigger than the number that is bigger. In this case -19 is bigger than -20 so -19 > -20. The integer of -19 is 19. The integer of a number is always the opposite. For example -23 is the integer of 23.

Hope this helps :)