2.3 A proving similarity

• Wiskunde
• Middelbare school
• havo
• Leerjaar 2

Please read your books

Invoegen plattegrond op niveau

Today

You are able to prove triangles to be similar using the aa criterion;

You understand why it's necessary to prove
similarity prior to using it.

How are you doing today?

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What mathematical principle is portayed here?

1. a right angle
2. alternate angles
3. opposite angles
4. corresponding angles

What mathematical principle is portayed here?

1. a right angle
2. alternate angles
3. opposite angles
4. corresponding angles

What mathematical principle is portayed here?

1. a right angle
2. alternate angles
3. opposite angles
4. corresponding angles

Why do you think is it necessary to prove two triangles are similar before we use a ration table to perform calculations with?

What goes on the ...?

∠A=...(corresponding)

What goes on the ...?

∠B=∠...(...)

What goes on the ...?

ΔABC∼Δ...

Work work