Answer:
B
Step-by-step explanation:
the reason this because vertically opposite angles the equal so it's also 72
Answer:
it is coordinates not any eqation
Step-by-step explanation:
It could've been a PENTAGON and a SQUARE.
It could've been a HEXAGON and a TRIANGLE.
Answer:
Third option
O 100 cm
1m
Step-by-step explanation:

Since it's isosceles, ∠ABC = (180-30) / 2 = 75