Congruent Parts
Proof Steps
Mr. Hawkins
100

Triangles ABC is congruent to DEF, so C is congruent to ___

F

100

The way we start a proof

I know that....

100
Shapes with 2 pairs of parallel sides

Parallelogram, rectangle, rhombus, square

100

Mr. Hawkins' age

28

200

Triangles ABC is congruent to DEF, so BA is congruent to ___

ED

200

The way we end a proof

Therefore....

200

Shapes with 4 congruent sides

Rhombus and Square

200

The grade Mr. Hawkins' brother is in

Sophomore 10th

300

Triangles ABC is congruent to DEF, so BCA is congruent to ___

EFD

300

What we call a shared side between two triangles

reflexive property

300

Shapes with one pair of parallel sides

Trapezoid and Isosceles Trapezoid
300
Number of years Mr. Hawkins has taught

6 years

400

Triangles ABC is congruent to DEF, so all corresponding parts are congruent because of _____

CPCTC

400

What we call angles on opposite sides of an intersection

vertical angles

400

Shapes with perpendicular diagonals

Kite, Square, and Rhombus

400

Where Mr. Hawkins went to college

UNI

500

We can show that triangles are congruent using these three methods.

SSS, SAS, ASA

500

What we use to show that parts of congruent triangles are congruent

CPCTC

500

Shapes with no parallel sides