Flashcardizz: Triangle Test Review

Front

Classify the triangle by its angles: What type of triangle has one angle that measures exactly 90 degrees?

Back

Right Triangle

Front

If two triangles are congruent (∆XYZ ≅ ∆KLM), what can we say about their corresponding angles?

Back

The corresponding angles are equal, so ∠Y ≅ ∠L.

Front

True or False: An obtuse triangle has one angle that measures more than 90 degrees.

Back

True

Front

If two triangles are congruent (∆LMK ≅ ∆LMT), what can we say about the lengths of their corresponding sides?

Back

The corresponding sides are equal, so MK = MT.

Front

What type of triangle has all sides of different lengths?

Back

Scalene Triangle

Front

What type of triangle has at least two sides that are equal in length?

Back

Isosceles Triangle

Front

What type of triangle has all three sides of equal length?

Back

Equilateral Triangle

Front

What is the sum of the interior angles of any triangle?

Back

180 degrees.

Front

If a triangle has one angle that measures more than 90 degrees, what type of triangle is it?

Back

Obtuse Triangle.

Front

In a right triangle, what is the relationship between the lengths of the sides?

Back

The square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides (Pythagorean theorem).