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Recognising congruent shapes

Author:Muhammad Ghozian Kafi Ahsan

Instruction

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Triangle Angle Proof

Right Triangle Angle Calculator

Engage

Hypotenuse is longest side of triangle and always the side opposite the right angle. If the one angle on right triangle is 53o ,then what is the value of another angle exept the right angle?

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Explore

Translation

Check the Translation Checklist on applet, and unchecked another. The side KM in KLM Triangle is corresponding to ...

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Reflection

Check the Reflection Checklist on applet, and unchecked another. The angle DFE in DEF Triangle is corresponding to ...

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Rotation

Check the Rotation Checklist on applet, and unchecked another. The angle YXZ in XYZ Triangle is corresponding to ...

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Triangle with values

Triangle with values
Another complicated check

2 Triangles are congruent

What is the value of XZ?

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Evaluate

Evaluate
How about congruency of quadrilateral?

How About Quadrilateral?

Based on picture above, Angle BCD is corresponding to..

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Were you helped by GeoGebra???

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What do you think about This Lesson?

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