Math verbs TRUE OR FALSE(put right answer if false)

An equiangular polygon is always equal EQUILATERAL. : Regular

CONCAVE Polygons have dents. : T

An ISOSCELES triangle can have 3 equal sides : T

An ISOSCELES triangle is always an equilateral triangle. : Equilangular

A counter example is an example that proves a statement TRUE : False

A dodecagon is a polygon with 10 sides : 12

PERPENDICULAR lines never intersect : Parallel

A trapezoid is a PENTAGON with one pair of parallel sides : Quadrilateral

Point of concurrency of the angle bisectors of the 3 angles of a triangle : Incenter

Segment with end points being vertex of a triangle and the midpoint of the opposite side : Median

SUPPLEMENTARY angles are two angles that add up to 90° : Complementary

An angle bisector is a segment that cuts a TRIANGLE into two equal parts : Angle

An obtuse triangle may contain only one ACUTE angle : Obtuse

All ACUTE triangles have at least a 90° angle : Right

The altitude of a triangle is a segment that starts at a vertex and is PARALLEL to the opposite side or the opposite side extended : Perpendicular

A LINEAR PAIR of angles are angles that are opposite of each other formed by two intersecting lines : Vertical

Point of concurrency of the medians of a triangle : Centroid

Ray that divides an angle into 2 congruent angles : Angle bisector

Point of concurrency of the perpendicular bisectors of the 3 sides of a triangle : Circumcenter

Segment with end points being vertex of a triangle and perpendicular to the opposite side : Altitude