1-1a

Slide 1 of 2

(over Lesson 6-4)

http://yourcharlotteschools.net/Schools/PCHS/Pellegrino_site/Chapter6Section5.ppt#262,8

Slide 1 of 2

(over Lesson 6-4)

http://yourcharlotteschools.net/Schools/PCHS/Pellegrino_site/Chapter6Section5.ppt#262,8

Right Triangles Right Triangles

You will learn to use tests for _________ of ____ triangles.

1) _________

2) ____

congruence right

hypotenuse

legs

http://yourcharlotteschools.net/Schools/PCHS/Pellegrino_site/Chapter6Section5.ppt#262,8

Right Triangles Right Triangles

In a right triangle, the side opposite the right angle is called the_________.hypotenuse

hypotenuse

The two sides that form the right angle are called the ____.legs

leg

leg

http://yourcharlotteschools.net/Schools/PCHS/Pellegrino_site/Chapter6Section5.ppt#262,8

Right Triangles Right Triangles

Recall from earlier this unit, we studied various ways to prove triangles to becongruent:

In 8-1, we studied two theorems

and

A

B

C R

S

T

A

B

C R

S

T

http://yourcharlotteschools.net/Schools/PCHS/Pellegrino_site/Chapter6Section5.ppt#262,8

Right Triangles Right Triangles

Recall from earlier this unit, we studied various ways to prove triangles to becongruent:

In 8-2, we studied two theorems

and

R

S

TA

B

C

R

S

TA

B

C

http://yourcharlotteschools.net/Schools/PCHS/Pellegrino_site/Chapter6Section5.ppt#262,8

Right Triangles Right Triangles

The theorems mentioned in this unit, were for ALL triangles.So, it should make perfect sense that they would apply to right trianglesas well.

Theorem

8-2

HL Postulate

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

A

CB

D

FE

DEFABC

http://yourcharlotteschools.net/Schools/PCHS/Pellegrino_site/Chapter6Section5.ppt#262,8

Practice

• Are the following triangles congruent?

A

B

C

D E

F

Practice

• Are the following triangles congruent?

Homework

Work Packet: HL