Geometry Terms Flashcards
Supplementary Angles
Two angles with the sum of 180 degrees
Complementary Angles
Two angles with the sum of 90 degrees
Vertical angles
Two non-adjacent angles that are congruent
Adjacent angles
Two angles that share a common vertex and side
Scalene triangle
No congruent sides
Isosceles triangle
One pair of congruent sides
Equilateral triangle
All sides congruent
Equiangular Triangle
All angles congruent
Obtuse Triangle
One angle <90 degrees
Acute Triangle
One or More angles >90 degrees
Right Triangle
One angle = 90 degrees
Total Degrees of a Straight Line
180 degrees
Total Degrees of a Circle
360 degrees
Total Degrees of a Triangle
180 degrees
Transversal
A line crossing through two parallel lines
congruent
identical in form
alternate interior angles
angles alternating on the inside of the shape with the same measurement
alternate exterior angles
angles alternating on the outside of the shape with the same measurement
corresponding angles
two angles that are on the same side of the transversal and they have the same measurement, but they are on different parallel lines
