5.1 - Angles of Triangles
5.2 - Congruent Polygons
5.4 - Equilateral and Isosceles Triangles
5.3/5.5/5.6 Proving Triangles Congruence
Some Potpourri
100

Solve for x

x = 109

100

Name a pair of congruent sides

AB and DE

BC and EF

CA and FD

100

Solve for x

x = 4

100

Are these two triangles congruent? If so, by which theorem?

Yes, by SSS

100

x = 20

200

Solve for the missing angle

T = 71 degrees

200

Name a pair of congruent angles

Angle A and Angle D

Angle B and Angle E

Angle C and Angle F

200

Solve for a if DE = 5a - 3, EF = 2a + 6, and DF = 7a - 12

a = 3

200

Are these triangles congruent? If so, by which theorem?

Yes, by ASA

200

Solve for x: Angle 1 = 7x + 12, Angle 2 = 3x + 14, Angle 3 = 3x - 15

x = 13

300

Solve for y

y = 10

300

If ABCD is congruent to EFGH and AB = 3x + 4 and EF = 25, solve for x

x = 7
300

Solve for x and y

x = 25

y = 4

300

Can you prove these two triangles are congruent? By which theorem?

Yes, by HL

300

Segment AB = 13x - 4, Segment BC = 9x + 24, Segment AC = 6x + 2

x = 7

400

Solve for x AND classify the triangle by its angles.

x = 9

Acute Triangle

400

Solve for x if we assume BAHG is congruent to DCFE

NOTE: 4x + 5 is on Angle H

x = 25

400

Solve for x

NOTE: Line GF should say 3x + 10

x = 9

400

Write a congruent statement and state the theorem

2) By AAS

400

Are they congruent? Prove it

Yes, by SSS

500

Solve for x

x = 7
500

Write a congruent statement of the image below

500

Assume: Triangle ABC is congruent to Triangle DFE

Solve for x and y

x = -12

y = 13

500

Give a congruent statement to the two triangles and identify the theorem that makes the two congruent.

2) by ASA

500

Fill in the blank

Corresponding

P ____________ of

Congruent

T ____________ are

C ____________

Parts

Triangles

Congruent

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