Geometry - Triangles
8 important questions on Geometry - Triangles
What is a vertex (or vertices for plural)?
TRUE or False: the sum of the 3 angles inside any triangle is exactly 180 degrees
What is the difference between an acute angle, a right angle and an obtuse angle?
A right angle: exactly 90 degrees
An obtuse angle: more than 90 degrees
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Can a triangle have 2 right angles or 2 obtuse angles? Why or why not?
True or false: atleast 2 of the angles of a triangle must be acute; the third could be acute, right or obtuse.
True or false:
The largest angle is always opposite the longest side and the smallest angle is always opposite the shortest side
What is the triangle inequality theorem?
What are congruent angles?
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