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Homework Questions:

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Quiz Time!!!

After you have turned in the quiz, work on your Chapter 1 Vocabulary Packet/ Postulates Worksheet silently.

When everyone has finished the quiz, we will finish the presentations for 1.5 Formulas in Geometry.

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Write the Coordinates of the following points:

A (                   )

B (                   )

C (                   )

D (                   )

E (                   )

AB

C

D

E

Section 1‐6:  Midpoints and Distance

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Example 1:  Finding Midpoints

How could we find the midpoint of          ?

A

BMidpoint Formula:

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Example 2:  Finding Midpoints

What about if we were given a midpoint and an endpoint?  How could we find the missing endpoint?

C ( 2, 2)M (4, ‐3)

What are the coordinates of the other endpoint D?

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Example 3:  Finding the Length of a Segment

What is            ?

Method 1:  

B

K

Use the Pythagorean Theorem tofind the length of the hypotenuse

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Example 3:  Finding the Length of a Segment

What is            ?

Method 2:  

B

K

Use the distance formula:

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Homework:

Section 1.5  Page 38 (as is on assignment sheet)Section 1.6  Page 47 (as is on assignment sheet)

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