Answer:
C: one triangle
Step-by-step explanation:
well a triangle = 180°
45+45=90
90+90=180
Answer:
False
Step-by-step explanation:
They will have different angle measures and un-proportional sides, making them non similar.
We have the next number

The expanded form of the number is

Also, we can verify that Alex was incorrect because if we do the sum of the expanded form that Alex calculated we obtain

Finally, the correct answer is