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§2.2 Perpendicular Bisector and Circumcircle
C2 Distance and Area
Mr. Fintelman (FNL)
Wednesday October 16th
2024
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Slide 1:
Slide
Wiskunde
Middelbare school
vwo
Leerjaar 2
This lesson contains
14 slides
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text slides
and
2 videos
.
Lesson duration is:
90 min
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Items in this lesson
C2 Distance and Area
Mr. Fintelman (FNL)
Wednesday October 16th
2024
Slide 1 - Slide
Date
Wednesday October 16th 2024
Paragraph
§2.2 Perpendicular Bisector and Circumcircle
Pages from the handbook
Pag. 57-62
Subject
Perpendicular Bisector and Circumcircle
Today is the day...
Slide 2 - Slide
I can already…
… draw perpendicular lines.
Prior Knowledge
Slide 3 - Slide
Slide 4 - Video
After this lesson, I can...
… drawing perpendicular bisectors.
… drawing a circumscribed circle around a triangle.
Goals
Slide 5 - Slide
What is a perpendicular bisector?
Slide 6 - Slide
What is a perpendicular bisector?
Slide 7 - Slide
Slide 8 - Video
Drawing perpendicular bisectors
Draw line segment
AB
with a length of 4 cm.
Draw the perpendicular bisector of
AB
with a length of 4 cm.
timer
1:15
Slide 9 - Slide
Drawing perpendicular bisectors
Draw a triangle
DEF
with any shape and dimensions.
Draw the perpendicular bisectors of sides
DE
,
EF
, and
DF
.
Label the intersection point of the perpendicular bisectors as
M
.
Measure the distances between
M
and the vertices.
Example:
timer
3:30
Slide 10 - Slide
Sketch your triangle
pag. -
Slide 11 - Slide
Draw the circumcircle of a triangle
Draw a circle around triangle DEF with center M, passing through the vertices.
Example:
Slide 12 - Slide
Worktime
You work neatly by…
… reading the
theory
(again) before asking a question to your classmate.
…
raising a hand
before asking a question to the teacher.
… if the teacher is busy, remember your question and
move on
.
Help:
Exercises: 26, 27 and 28.
Assignments:
Pages: 57-62
Exercises: 26, 27 and 28.
Assignments from the planning of WEEK 1:
Extra:
Exercises: 29
Slide 13 - Slide
Now I can...
… drawing perpendicular bisectors.
… drawing a circumscribed circle around a triangle.
Reflection
Slide 14 - Slide
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