Similarity Shortcut #3

Look at the triangles below. What information is given to you right away? (Without doing any math)

Select all the apply.

1 Pair of Proportional Sides 3 Pairs of Proportional Sides 2 Pairs of Proportional Sides 1 Pair of Congruent Angles 2 Pairs of Congruent Angles 3 Pairs of Congruent Angles

Click 'Show Side Missing Lengths' & 'Show Missing Ratio'.

How does changing the two sliders at the two (r and a) affect the ratio of the corresponding side?

Unclick 'Show Side Missing Lengths' & 'Show Missing Ratio'. Click 'Show Angles'.

How does changing the two sliders at the two (r and a) affect the measurement of the two other angles?

What can you conclude about your findings? (Can you prove triangles are similar with only limited information?)

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Información: Similarity Shortcut #3