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Earn +20 ptsQ: What is the minimal information needed to say two triangles are similar?
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How many pairs of corresponding parts are needed to determine if triangles are similar?
All angles must be the same.
What are the ways you can show that triangles are similar?
You can use the theorems like SSS, SSA to show that they are similar. For example if two triangles have the same 3 sides length or two side lengths equal and 1 angle equal they are similar. * * * * * That is congruent, not similar! Similar is a weaker requirement. All that is needed is that two corresponding angles are the same. Equivalently, the three corresponding sides are in the same proportion.
What is the minimum number of triangles needed to form a trapezium?
3
How many toothpicks are needed to make a 2 triangles?
5 or 6 Depending on what shape you are thinking of
How many straight lines are needed to divide a regular hexagon into six identical triangles?
4
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