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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
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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
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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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