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Geometry A Chapter 4 Vocabulary
Geometry Chapter 4 Vocabulary
An operation that moves or changes a geometric figure in some way to produce a new figure
A triangle with three congruent sides
Figures where all parts of one figure are congruent to the corresponding parts of the other figure.
The side opposite the right angle in a right triangle. It is the longest side.
A transformation that uses a line of reflection to create a mirror image of the original figure
A transformation that turns a figure about a fixed point called the center of rotation
A triangle with no congruent sides.
A triangle with three acute angles
A transformation that moves every point of a figure the same distance in the same direction
A triangle with one right angle
The angle formed by the legs in an isosceles triangle
A statement that can be easily proven using a theorem
Postulate used to prove triangles are congruent if all 3 sets of corresponding sides are congruent.
Postulate used to prove triangles are congruent if 2 sets of corresponding sides and their included angles are congruent.
Postulate used to prove right triangles are congruent if the hypotenuse and a leg of one right triangle are congruent to the corresponding parts of another right triangle