Answer:120°
Step-by-step explanation:
sum of exterior angles=360
In a triangle we have 3 exterior angles
Size for each exterior angle=360/3
Size for each exterior angle=120°
Answer:
450
Step-by-step explanation:
you divide 90 by 20 and times in by 100
Answer:
225
Step-by-step explanation:
64+36=c^2
100=c^2
square root both sides for 10=c
10 is your answer
The first one = 5 and the second one = -6
hope this helps