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Geometry Chapter 4

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18 cards

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Section 1

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Congruent Polygons

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Geometry Math

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6 years ago

Date created

Mar 1, 2020

Cards (18)

Section 1

(18 cards)

Congruent Polygons

Front

All pairs of sides and angles have to be congruent and in the same order.

Back

Isosceles Triangle Theorem

Front

If two sides of a triangle are congruent, then the angles opposite those sides are congruent.

Back

Hypotenuse

Front

The longest side of a right triangle (The side opposite the right angle)

Back

Legs of an isosceles triangle

Front

The two congruent sides of an isosceles triangle

Back

Converse of the Isosceles Triangle Theorem

Front

If two angles of a triangle are congruent, then the sides opposite those angles are congruent.

Back

Reflexive Property

Front

An angle or a side is congruent to itself.

Back

Right Triangle

Front

A triangle with exactly one right angle.

Back

Legs of a right triangle

Front

The shortest two sides of a right triangle (The sides adjacent to the right angle)

Back

Theorem 4-2 (Isosceles triangle/angle bisector)

Front

If a line or line segment bisects the non-base angle of an isosceles triangle, then it is also the perpendicular bisector of the opposite side.

Back

SSS

Front

If three sides of one triangle are congruent to three sides of another triangle, then the two triangles are congruent.

Back

Equilateral Triangle

Front

A triangle that has all sides and all angles equal. (All angles are 60 degrees)

Back

Isosceles Triangle

Front

A triangle that has at least two congruent sides.

Back

Base angles of an isosceles triangle

Front

The two congruent angles of an isosceles triangle.

Back

HL

Front

If the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and the leg of another right triangle, then the triangles are congruent.

Back

CPCTC

Front

If two triangles are congruent, then each pair of corresponding sides is congruent and each pair of corresponding angles is congruent.

Back

ASA

Front

If two angles of one triangle and the included side are congruent to two angles and the included side of another triangle, then the two triangles are congruent.

Back

AAS or SAA

Front

If two angles and a nonincluded side of one triangle are congruent to two angles and a nonincluded side of another triangle, then the two triangles are congruent.

Back

SAS

Front

If two sides and the included angle of one triangle are congruent to two sides and the included angle of another triangle, then the two triangles are congruent.

Back