Chapter 4 Review

Directions

• Take out a sheet of paper to answer all of the review problems. This will be collected for participation points!

• The “Last Man Standing” will be your prize!

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True or False?

The two congruent sides of an isosceles triangle are the base.

True or False?

The two congruent sides of an isosceles triangle are the base.

False

True or False?

The two congruent angles of an isosceles triangle are the vertex angles.

True or False?

The two congruent angles of an isosceles triangle are the vertex angles.

False

True or False?

The side opposite the right angle of a right triangle is the hypotenuse.

True or False?

The side opposite the right angle of a right triangle is the hypotenuse.

True

True or False?

Two triangles can be proven congruent using CPCTC.

False

Which postulate or theorem, if any, could be used to prove the two triangles congruent?

Which postulate or theorem, if any, could be used to prove the two triangles congruent?

ASA

Which postulate or theorem, if any, could you use to prove the two triangles congruent?

Which postulate or theorem, if any, could you use to prove the two triangles congruent?

None

Which postulate or theorem, if any, could you use to prove the two triangles congruent?

Which postulate or theorem, if any, could you use to prove the two triangles congruent?

HL

Which postulate or theorem, if any, could you use to prove the two triangles congruent?

Which postulate or theorem, if any, could you use to prove the two triangles congruent?

SAS

Name, if any, the pair of congruent triangles. Name the postulate or theorem that justifies your statement.

D

B

A

C

Name, if any, the pair of congruent triangles. Name the postulate or theorem that justifies your statement.

D

B

A

C

ΔABC ΔDCB by AAS

Name, if any, the pair of congruent triangles. Name the postulate or theorem that justifies your statement. F

B E

R

GH

Name, if any, the pair of congruent triangles. Name the postulate or theorem that justifies your statement. F

B E

R

GH

ΔFBE ΔRGH by SAS

Find the values of x and y.

x

y

450

Find the values of x and y.

x

y

450

x = 4; y = 65

Find the values of x and y.

xy

125

Find the values of x and y.

xy

125

x = 55; y = 62.5

Find the values of x and y.

25

25y

x

Find the values of x and y.

25

25y

x

x = 65; y = 90

Name a pair of congruent triangles in the diagram. State how the triangles are

congruent.

E B

A

D C

Name a pair of congruent triangles in the diagram. State how the triangles are

congruent.

E B

A

D C

ΔABC ΔAED by SAS or ΔABD ΔAEC by SAS

Name a pair of congruent triangles in the diagram. State how the triangles are congruent.

F

I H

G

Name a pair of congruent triangles in the diagram. State how the triangles are congruent.

F

I H

G

ΔFIH ΔGHI by SAS

Which postulate or theorem, if any, could you use to prove the two triangles congruent?

SSS