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If they have the same angles, but different side lengths.

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12y ago
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Q: How do you know if triangles are similar?
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Related questions

Are these two triangles similar Triangle ABC: ∠A = 28°,∠B = 91° Triangle DEF:∠D = 28°,∠E = 61° a. Yes, the triangles are similar. b. No, the triangles are not similar?

I honestly don't know much stuff about triangles.


How you can prove that the angles of two triangles are equal?

If the angles of two triangles are equal the triangles are similar. AAA If you have three angles on both triangles these must be equal for the triangles to be similar. SAS If you have an angle between two sides and the length of the sides and the angle are the same on both triangles, then the triangles are similar. And SSS If you know the three sides


Are two triangles always the similar?

Nope. You must know what it means to be similar. It means that ALL three angles are the same between two triangles. That been said, you can take any two random triangles, it's very likely that they are NOT similar.


What do you call two triangles with proportional sides?

They are said to be similar but not congruent triangles.


Which pair of triangles must be similar?

Pairs of triangles, in general, do not have to be similar.


What is the term used for the Triangles whose corresponding angles are equal?

They are similar triangles.


How do the ratios of side lenghts compare for triangles that are not similar?

There are no ratios that can be used for triangles that are not similar.


Two equilateral triangles are sometimes similar?

Two equilateral triangles are always similar!


Why are triangles similar?

why triangle are similar


Are two obtuse triangles always similar?

Not always, sometimes two obtuse triangles are similar and sometimes they are not similar.


Similar triangles can be made into congruent triangles by?

Dilating them


Are pairs of congruent triangles can be similar triangles?

no theycan not