270 degrees or -90 degrees.
Answer:
C
Step-by-step explanation:
If it is not C it is D, but i am pretty sure its c
Answer:
He can add through calculater or by doing addition in his mind
Answer:
135°
Step-by-step explanation:
formula = (n-2) * 180, whereby 'n' is the number of sides.
therefore, (8-2) * 180 = 1080°
1080° ÷ number of sides
= 1080° ÷ 8
= 135°
The answer to your question is D , it is 2/3 simple math even easier if you use a calcul