=Teacher Ms S. Rojas Room 818
Notes
Friday
3/16
Thursday
3/15
Wednesday
3/14
Tuesday
3/13
Monday
3/12
Course: HGeometry Period 2
Week of: March 12, 2012
CCSD Obj./State Standard:
Warm up:
Lesson/Activity/Classwork: Chapter 9 9.1,9.2,9.3
Homework
Students will be able to solve problems
Complete
o Notes similar triangles formed by the altitude of a Rt∆ WS
involving similar Rt triangles formed by the
test chapter
to the hypotenuse
altitude drawn to the hypotenuse using the
8
o Pythagorean Thm and the converse
geometric mean; use the Pythagorean Thm and
o Examples
the converse of the Pythagorean Thm.
o Guided practice
Closure:
Which parts of a Rt ∆ with
an altitude from the Rt angle
to the hypotenuse are
geometric means?
CCSD Obj./State Standard:
Students will be able to solve problems
involving similar Rt triangles formed by the
altitude drawn to the hypotenuse using the
geometric mean; use the Pythagorean Thm and
the converse of the Pythagorean Thm.
Warm up:
Lesson/Activity/Classwork: Chapter 9 9.1,9.2,9.3
Homework Closure:
Warm up
o Notes similar triangles formed by the altitude of a Rt∆ Book 531
Can the numbers represent a
problems on
to the hypotenuse
14,25,29,30 ∆? Is the ∆ Rt, Acute or
Smart board
o Pythagorean Thm and the converse
P538:
obtuse?
o Examples
7,8,10,14
a. 10, 11, 22
Guided practice
P546:14-19
b. √13, 6,7
c. √67, 4,9
CCSD Obj./State Standard:
Students will be able to solve problems
involving Special Rt ∆’s: 45-45-90 , 30-60-90
Warm up:
Lesson/Activity/Classwork: Chapter 9 9.4
Warm up
o Notes 45-45-90 and 30-60-90 ∆’s
problems on
o Examples
Smart board
o Guided practice
Homework Closure:
WS
What is the hypotenuse if
or
the length of a leg of an
P554: 9-20 isosceles ∆ is 4?
CCSD Obj./State Standard:
Students will be able to find the sine, cosine,
and tangent of acute angles.
Warm up:
Warm up
problems
Lesson/Activity/Classwork: Chapter 9 9.5 Trig Ratios
o Notes Sine, Cosine and Tangent
o Examples
o Guided practice
Homework Closure:
WS
What does SohCahToa stand
Or
for?
P562: 3-39
CCSD Obj./State Standard:
Students will be able to solve a right ∆
Warm up:
Warm up
problems
Lesson/Activity/Classwork: Chapter 9 9.6 Solving RT ∆’s
o Notes solving Rt ∆’s
o Examples
o Guided practice
Homework
WS
Or
P570-571:
8-38
Closure:
What is the minimum amount
of information you need to
solve a Rt ∆?
Students now have a textbook that they may keep at home. Help is available after school in room 201 Dragon’s Den 2:10-4:10 Monday and Wednesday. Students need
notebooks and supplies for the new semester. Quarter 3 ends March 23.