Ch7 Day 2 (7.2).notebook
7.2A Pythagorean Theorem (Day 2)
D.I.R.T?
Simplify the radicals (no calculators).
1) 36
January 04, 2013
48
Pythagorean Theorem: c = a + b
2 2
2
19
2) Write the equation in slope­intercept form if m=­1/3 and the point is (­6,3).
RIGHT TRIANGLES ONLY PLEASE!!!!
C
C
3) What is the sum of the interior angles of a 10­sided figure?
7.2 Pythagorean Theorem and Its Converse
C
Objective: • Use Pythagorean Theorem to find the missing length of a right triangle
• Use the converse of the Pythagorean Theorem to determine if a triangle is right, acute, or obtuse
G.1.A.
Performance Standard 1.6, 3.4, 3.8 DOK­2
Mar 4­2:09 PM
Dec 14­4:48 PM
Use the following numbers to see if it is a right triangle.
Pythagorean Triples:
3, 4, 5
6, 8, 10
5, 12, 13
7, 24, 25
Ex. 1 Use 3, 4, 5
Find the value of the missing variables for the following.
x
Ex. 4
12
6
Ex. 2 Use 6, 8, 10
Ex. 3 Use 5, 12, 13
Ex. 5
17
x
8
Mar 4­2:18 PM
Ex. 6
Mar 4­2:27 PM
x
6
Ex 8)
x
9
8
x
Ex. 7
11
x
7
Dec 14­4:52 PM
Dec 15­11:55 AM
1
Ch7 Day 2 (7.2).notebook
January 04, 2013
7.2A ­­Assignment: Pg. 360­364 Name:____________________
#1­6all, 8, 10­16all, 36, 38
1. Draw the figure: 2. Draw the figure: 11. Draw the figure: 12. Draw the figure: x= ______________
x= ______________
x= ______________
x= ______________
3. Draw the figure: 4. Draw the figure: 13. Draw the figure: 14. Draw the figure: x= ______________
x= ______________
x= ______________
x= ______________
5. Draw the figure: 6. Draw the figure: 15. Draw the figure: 16. Draw the figure: x= ______________
x= ______________
x= ______________
x= ______________
8. Show work:
10. Draw the figure: Explain ______________
36. Draw the figure:
38. Draw the figure: Explain ______________
x= ______________
Dec 14­5:16 PM
x= ______________
Dec 14­5:16 PM
2