# Shared Flashcard Set

## Details

Geometry Final Review 2
Sometimes, Always, or Never true?
20
Mathematics
10th Grade
12/19/2012

## Cards Return to Set Details

Term
 An equilateral triangle is isosceles.
Definition
 Always
Term
 An angle has a complement
Definition
 sometimes
Term
 a ray has two endpoints
Definition
 never
Term
 an angle is equal to its supplement
Definition
 sometimes
Term
 a right triangle is isosceles
Definition
 sometimes
Term
 the complement of an acute angle is an obtuse angle
Definition
 never
Term
 two lines perpendicular to a third line are skew
Definition
 sometimes
Term
 two skew lines are coplanar
Definition
 never
Term
 if two angles have a common side, the angles are adjacent
Definition
 sometimes
Term
 the supplement of an obtuse angle is an obtuse angle
Definition
 never
Term
 complementary angles are congruent to each other.
Definition
 sometimes
Term
 a ray has a midpoint
Definition
 never
Term
 supplementary angles are adjacent.
Definition
 sometimes
Term
 congruent angles are supplementary
Definition
 sometimes
Term
 theorems are reversible
Definition
 sometimes
Term
 three parallel lines are coplanar
Definition
 sometimes
Term
 a square is a rectangle
Definition
 always
Term
 if the diagonals of a quadrilateral are perpendicular, the the quad is a rhombus.
Definition
 sometimes
Term
 the diagonals of a rectangle bisect each other
Definition
 always
Term
 a trapezoid with three congruent sides is isosceles
Definition
 always
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