Answer:
Step-by-step explanation:
t+t+10+t+20=180
3t+30=180
3t=180-30=150
t=150/3=50
t+20=50+20=70
exterior angle=180-70=110°
Answer:
D 138
Step-by-step explanation:
the outside angle(x) of a triangle whose base is extended is always equivalent to the farthest 2 inside angles of the triangle.
x = 48 + 90 = 138
Answer:
80.7 candy canes/child
Step-by-step explanation:
6700 divided by 83=80.722
Answer:
A
Step-by-step explanation:
x^2 - 4x +3
(x - 1)(x-3)
x = 1, x = 3