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what-Helena was asked to prove that any pair of vertical angles is congruent. She was provided a diagram with several pairs of vertical angles.?
Helena noticed that vertical angles are always supplementary to a common angle. She wrote, “Vertical angles share a common supplementary angle, so by the Congruent Complements Theorem, they are congruent. Why is Helena’s proof incorrect?
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.
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What is CPCTC used for?
Once you prove that a diagram is congruent then you can say that all the parts are congruent.
what-Norman was asked 2 prove that all right angles r congruent. He was provided a diagram with several right angles. Norman measured each angle with a protractor & found that they each measured 90°.?
A+
Based on the information marked in the diagram lmo and fgh must be congruent?
false I think
Diagram of a cuboid?
diagram of cuboid
What quadrilateral shape has only 1 pair of equal angles?
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)
