2.4 Review

Front

What is the measure of angle x if it is given that x = 30°?

Back

x = 30°

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

Front

What does the congruence statement ΔABC ≅ ΔDEF indicate about the two triangles?

Back

It indicates that the two triangles are congruent, meaning they have the same shape and size.

Tags

CCSS.8.G.A.2

Front

What are the characteristics of a scalene triangle?

Back

A scalene triangle has all sides of different lengths and no equal angles.

Tags

CCSS.4.G.A.2

Front

What does it mean when two angles are congruent, such as ∠A ≅ ∠D?

Back

It means that the two angles have the same measure.

Tags

CCSS.8.G.A.2

Front

In a triangle, what is the side opposite to angle C called?

Back

The side opposite to angle C is called Side AB.

Front

What is the definition of an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90°.

Tags

CCSS.4.G.A.2

Front

What is the difference between congruent and similar triangles?

Back

Congruent triangles have the same size and shape, while similar triangles have the same shape but not necessarily the same size.

Tags

CCSS.8.G.A.2

Front

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

Back

The sum of the interior angles of a triangle is always 180°.

Tags

CCSS.8.G.A.5

Front

How can you determine if two triangles are congruent using side lengths?

Back

You can use the SSS (Side-Side-Side) congruence criterion, which states that if three sides of one triangle are equal to three sides of another triangle, the triangles are congruent.

Tags

CCSS.HSG.SRT.B.5

Front

What is the definition of a right triangle?

Back

A right triangle is a triangle that has one angle measuring exactly 90°.

Tags

CCSS.4.G.A.2