Answer:
180°
Step-by-step explanation:
a convex polygon has n sides, then its interior angle sum is
S = ( n −2) × 180°
S=(3-2)*180°=180°
For the first;
For every four marbles, Izuku placed 2x more in the jar.
The answer to that would be 300. Hope this helps you out!
We have that (x) + (x+2) + (x+4) = 126 so 3x + 6 = 126 can be used to find the first integer.
3x + 6 = 126
3x = 120
x = 40
The numbers are 40, 42, 44