Answer Key Geometry Test 4

Topics: Angle, Triangle, Quadrilateral Pages: 3 (924 words) Published: December 2, 2014
Theorems
1 All right angles are congruent.
2 Perpendicular lines form right angles.
3 If two angles are complements or supplements to the same or congruent angles, they are congruent. 4 Two adjacent angles that fall on the same line form a linear pair and are supplementary. 5 Corresponding parts of congruent triangles are congruent.

6 If two sides of a triangle are congruent the angles opposite are congruent. 7 If two angles in a triangle are congruent the sides opposite are congruent. 8 The base angles of an isosceles triangle are congruent.

9 If two angles of a triangle are congruent then the triangle is isosceles. 10 The measure of an exterior angle of a triangle is equal to the measure to the sum of the measures of two remote interior angles. 11 The longest side of a triangle is opposite the largest angle. 12 Two lines cut by a transversal are parallel if a pair of corresponding angles is congruent. 13 Two lines cut be a transversal are parallel if s pair of interior angles on the same side of the transversal are supplementary. 14 Two lines are parallel if they are perpendicular to the same line. 15 Two lines are parallel if they are parallel to the same line. 16 All right angles are congruent.

17 Vertical angles are congruent.
18 If two angles are complements (supplements) to the same or congruent angles then they are congruent. 19 The sum of two sides of a triangle must be greater than the third. 20 If two intersecting lines form adjacent, congruent angles then they are perpendicular.

Parallelogram:
21 The opposite sides of parallelogram are congruent.
22 The opposite angles of a parallelogram are congruent.
23 The consecutive angles of a parallelogram are supplementary. 24 The diagonals of a parallelogram bisect each other.
25 If both pairs of opposite sides are parallel then the quadrilateral is a parallelogram. 26 If both pairs of opposite sides are congruent then the quadrilateral is a parallelogram. 27 If both pairs of opposite angles...
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