Answer:
80°
Step-by-step explanation:
Three angles are equal
Let the equal angle be x
3x+120=360
3x=240
x=240/3
=80
Hence the three angles are 80∘
Answer:
e = s×0.72
Step-by-step explanation:
we need to find how much does a 1 song costs
so, 2.16 ÷ 3 = 0.72 $
It is 4x4 then divide that by 2 since a triangle is half of a square so 16 divided by 2 which is 8
2 students more were introducced in the class and each group had 8 people
Answer:
Step-by-step explanation:
-3b - 2b + 7 = -15
-5b = -22
b = 22/5