drawing a triangle with a compass

Make it ready on your table:
1. Notebook
2. Book
3. Pencil case with compass/ Etui
While waiting everyone to be settled:

Draw on your notebook circle P with a radius of 7 cm.
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Slide 1: Slide
WiskundeMiddelbare schoolhavoLeerjaar 1

This lesson contains 13 slides, with text slides.

time-iconLesson duration is: 45 min

Items in this lesson

Make it ready on your table:
1. Notebook
2. Book
3. Pencil case with compass/ Etui
While waiting everyone to be settled:

Draw on your notebook circle P with a radius of 7 cm.

Slide 1 - Slide

Make it ready on your table:
1. Notebook
2. Book
3. Pencil case with compass/ Etui
While waiting everyone to be settled:

Draw on your notebook circle P with a radius of 7 cm.

Slide 2 - Slide

Green= You can discuss the lesson with the person next to you.
Orange= minimum talk, only important things. do not disturb too much.
Red= Individual work, not aloud to talk unless you are being asked.

Slide 3 - Slide

drawing a triangle with a compass

Slide 4 - Slide

Let me try my way
Draw triangle ABC with 
AB= 5 cm
AC= 3cm
BC=7cm

You can use a ruler or compass.

timer
2:00

Slide 5 - Slide

Objectives for today:

1. Draw a triangle with the use of a compass.

Slide 6 - Slide

Draw triangle ABC
with side length of
AB= 5 cm
AC= 3cm
BC=7cm

Slide 7 - Slide

Draw triangle ABC with 
AB= 5 cm
AC= 3cm
BC=7cm

Follow the instructions:

1. Draw line AB with the length of  5 cm
timer
1:00

Slide 8 - Slide

Draw triangle ABC with 
AB= 5 cm
AC= 3cm
BC=7cm




2. Draw circle ( A, 3cm)
timer
1:00

Slide 9 - Slide

Draw triangle ABC with 
AB= 5 cm
AC= 3cm
BC=7cm




3. Draw circle (B, 7cm)
timer
1:00

Slide 10 - Slide

Draw triangle ABC with 
AB= 5 cm
AC= 3cm
BC=7cm

4.  Put a point where the 2 circles INTERSECT/MEET.

That is the point of INTERSECTION
timer
1:00

Slide 11 - Slide

Draw triangle ABC with 
AB= 5 cm
AC= 3cm
BC=7cm

5. Choose 1 of the points and write letter C. 

6.  Now, draw your triangle ABC.
timer
1:00

Slide 12 - Slide

Do homework 53, 54 en 55

Slide 13 - Slide