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81 Pythagorean Theorem and its Converse 2011
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8-1 Pythagorean Theorem and its Converse
Objective:Understand and apply the Pythagorean Theorem and its Converse.
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Check Skills You'll NeedWork on this problem for 2 minutes alone.Then work for 2 minutes with your partner.
a) 62 b) 6 2
What is the difference between problems a and b?
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What do we THINK we know about the Pythagorean Theorem?
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Pythagorean Puzzle• Take out your puzzle pieces.• Follow instructions from the teacher.
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Spin it
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Applying the Pythagorean Theorem.
3
4 ?
12
13
?
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Recap:
What do we NEED to know about the Pythagorean Theorem?
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Is it true?
Converse of the Pythagorean Theorem
If______________________Then___________________
Yup
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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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HOMEWORKpg. 420 #19, 1620, 27, 29, 49
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