Two ways of solving it:
The angle beside the 71 is equal to
180 - 71 = 109
so a triangle angles sums up to 180
so the reminaing is
x = 180 - 109 - 28 = 43
solution (2):
the exterior angle = sum of interior angles except the one near it.
28 + x = 71
x = 43
Answer:
4 lipsticks
Step-by-step explanation:
15+15=30, 30+30=60
Answer:
50 dollors
Step-by-step explanation:
Answer:
D) 28.762 cm
Step-by-step explanation: