§5.6 Angles in Planes

• Wiskunde
• Middelbare school
• vwo
• Leerjaar 1

Exercise 59 - Pag. 218

Exercise 64 - Pag. 219

I can already…

1. … calculate an angle in a triangle when the other two angles are known.

Prior Knowledge

After this lesson, I can…

1. … calculate an angle in a quadrilateral when the other three angles are known.

Goals

Remember this?

Task: Draw a quadrilateral (4 sided polygon)=vierhoek.

How: Grab a pencil and draw in your notebook.

Help: Complete independently.

Extra task: Draw a diagonal in your quadrilateral.

Time: 1 minute.

Outcome: You will share and compare the quadrilateral with your classmates.

Done: Wait until the time is up.

It is not some child's play anymore

Angles of Quadrilaterals

Exercise 68 - Pag. 220

Exercise 71 - Pag. 220

Exercise 71 - Pag. 220

Exercise 78 - Pag. 223

Exercise 78 - Pag. 223

Calculating angles

Now I can…

1. … calculate an angle in a quadrilateral when the other three angles are known.
2. … calculate an angle in a quadrilateral when the other three angles are known.
3. … calculate angles from figures with multiple triangles.

Reflection