Unit 5 Triangles, Triangles, Triangles!

Front

If ∆LMK ≅ ∆LMT, then ∠K ≅ ____

Back

∠T

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute triangle

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse triangle

Front

What type of triangle has one angle equal to 90 degrees?

Back

Right triangle

Front

What type of triangle has all sides of different lengths?

Back

Scalene triangle

Front

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

Back

Isosceles triangle

Front

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

Back

180 degrees

Front

How many triangles in a figure can be classified as acute?

Back

Count the triangles with all angles less than 90 degrees.

Front

If two triangles are congruent, what does that mean?

Back

They have the same size and shape.

Front

What is the criteria for triangle congruence by SSS?

Back

If all three sides of one triangle are equal to all three sides of another triangle.