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20 terms

Acute

Less than 90 degrees more than o degrees

Right

90 degrees

Obtuse

More than 90 degrees less than 180 degrees

Straight

180 degrees

Reflex

More than 180 degrees

Revolution

360 degrees

bisector

separates an angle in two parts

quadrilateral

any shapes that have four sides

equilateral

Shape with a equal sides

parallel

2 lines that are facing the same direction and will not intersect any how

Complementary

two different angles that add up to 90 degrees

Supplementary

two different angles that add up to 180 degrees

adjacent

angles that have the same vertex and that are next to each other

Corresponding

the same equal degrees on a transversal parallel lines

Transversal

a line that intersects with two or more lines

alternate

two angles that are on different sides of a parallel line in a transversal

perpendicular

two lines that create a right angle

Co-interior

parallel angles that adds up to 180 degrees

vertically opposite

Equal sides of two intersecting lines

Vertex

the center of two or more angles where they all meet