8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
8-1 Pythagorean Theorem and its Converse
Objective:
Understand and apply the Pythagorean Theorem and its Converse.
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
Work on this problem for 2 minutes alone.
Then work for 2 minutes with your partner.
a)  6
2
b)  6  2
What is the difference between problems a and b?
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
What do we THINK we know about the Pythagorean Theorem?
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
•
Take out your puzzle pieces.
•
Follow instructions from the teacher.
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
Spin it
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
Applying the Pythagorean Theorem.
?
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13
4
?
3
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
Recap:
What do we NEED to know about the Pythagorean Theorem?
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
Converse of the Pythagorean Theorem
If______________________
Then___________________
Is it true?
Yup
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
Applying the Converse of the
Pythagorean Theorem.
If a triangle has an 8 foot leg, a 15 foot leg, and a 17 foot long hypotenuse, is it a right triangle?
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
pg. 420 #1­9, 16­20, 27, 29, 49
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8­1 Pythagorean Theorem and its Converse 2011 January 28, 2011
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