Triangle Bisectors
Presentation
•
Mathematics
•
9th Grade
•
Hard
Joseph Anderson
FREE Resource
4 Slides • 9 Questions
1
PERPENDICULAR
BISECTOR
2
Learning Targets:
◦ By the end of the lesson, I will be able to identify perpendicular bisectors and
concurrent lines.
◦ By the end of the lesson, I will be able to prove theorems and solve problems about
perpendicular bisectors of line segments.
◦ By the end of the lesson, I will be able to prove theorems and apply geometric
methods to solve design problems using the perpendicular bisectors of line segments.
3
Drag and Drop
4
Drag and Drop
5
Draw
Draw in what's missing on the figure to help explain the definition of a perpendicular bisector.
6
Learning Targets:
•By the end of the lesson, I will be able to identify
perpendicular bisectors and concurrent lines.
•By the end of the lesson, I will be able to prove
theorems and solve problems about perpendicular
bisectors of line segments.
•By the end of the lesson, I will be able to prove
theorems and apply geometric methods to solve
design problems using the perpendicular bisectors of
line segments.
7
Draw
Find RT.
Show the calculations in you book.
8
Draw
Label the point of concurrency in figure A.
Label the circumcenter in figure B.
9
Fill in the Blanks
Type answer...
10
Fill in the Blanks
Type answer...
11
Open Ended
Where should he place the fountain?
Show the calculations in your book.
12
Practice:
Blue Group:
Pg 7-10: Question 6, 9, 13 and 22
Green Group:
Pg 7-10: Question 4, 8, 12 and 14
Orange Group:
Pg 7-10: Question 2, 7, 11 and 13
Red Group:
Pg 7-10: Question 1, 6, 11 and 12
13
Open Ended
EXIT TICKET:
What did you struggle with this lesson?
PERPENDICULAR
BISECTOR
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