81 Pythagorean Theorem and its Converse 2011
1
January 28, 2011
8-1 Pythagorean Theorem and its Converse
Objective:Understand and apply the Pythagorean Theorem and its Converse.
81 Pythagorean Theorem and its Converse 2011
2
January 28, 2011
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?
81 Pythagorean Theorem and its Converse 2011
3
January 28, 2011
What do we THINK we know about the Pythagorean Theorem?
81 Pythagorean Theorem and its Converse 2011
4
January 28, 2011
Pythagorean Puzzle• Take out your puzzle pieces.• Follow instructions from the teacher.
81 Pythagorean Theorem and its Converse 2011
5
January 28, 2011
81 Pythagorean Theorem and its Converse 2011
6
January 28, 2011
Spin it
81 Pythagorean Theorem and its Converse 2011
7
January 28, 2011
Applying the Pythagorean Theorem.
3
4 ?
12
13
?
81 Pythagorean Theorem and its Converse 2011
8
January 28, 2011
Recap:
What do we NEED to know about the Pythagorean Theorem?
81 Pythagorean Theorem and its Converse 2011
9
January 28, 2011
Is it true?
Converse of the Pythagorean Theorem
If______________________Then___________________
Yup
81 Pythagorean Theorem and its Converse 2011
10
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?
81 Pythagorean Theorem and its Converse 2011
11
January 28, 2011
HOMEWORKpg. 420 #19, 1620, 27, 29, 49
81 Pythagorean Theorem and its Converse 2011
12
January 28, 2011