Oh, dude, proving vertical angles are congruent? That's like proving water is wet. Helena just needs to show that those angles are opposite each other when two lines intersect. It's like saying, "Hey, these angles are equal because they're like mirror images of each other." Easy peasy lemon squeezy.
Once you prove that a diagram is congruent then you can say that all the parts are congruent.
A+
false I think
diagram of cuboid
Certain kinds of trapezoids only have one pair of equal angles. Like so... ________ |...............\ |................\ |.................\ |..................\ ---------------- See? The only congruent angles are the two right angles on the left side. (Ignore the dots, it was the only way I could get my diagram to format properly)
Once you prove that a diagram is congruent then you can say that all the parts are congruent.
rectangular prism
A hexagonal prism.
Drawing two tiny parallel lines over the segment will indicate that it is a congruent segment. The little arc symbol can also be drawn over the segment or the angles.
the vertical axis is the pressure
A+
To indicate congruent segments in a diagram, you typically use tick marks. Each pair of congruent segments is marked with the same number of tick marks; for example, if two segments are congruent, they might each have one tick mark, while another pair that is also congruent might have two tick marks. This visual representation helps to easily identify which segments are equal in length.
A frequency diagram.
cylinder
false I think
False [APEX]
True [APEX]