Unit 1 Math 8 End of Unit Review (Open-Up)

Front

What is a reflection in geometry?

Back

A reflection is a transformation that flips a figure over a line, creating a mirror image.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What does it mean for two shapes to be congruent?

Back

Two shapes are congruent if they have the same size and shape, meaning all corresponding sides and angles are equal.

Tags

CCSS.8.G.A.2

Front

What is a translation in geometry?

Back

A translation is a transformation that moves a figure from one location to another without changing its shape, size, or orientation.

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Front

What is a rigid transformation?

Back

A rigid transformation is a movement of a figure that preserves its shape and size, including translations, rotations, and reflections.

Tags

CCSS.HSG.CO.B.6

Front

How do you find the value of x in an equation?

Back

To find the value of x, isolate x on one side of the equation using inverse operations.

Tags

CCSS.6.EE.B.7

Front

What is an alternate interior angle?

Back

Alternate interior angles are pairs of angles that are on opposite sides of a transversal and inside two parallel lines.

Tags

CCSS.8.G.A.5

Front

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

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

What is the definition of an angle?

Back

An angle is formed by two rays with a common endpoint, called the vertex.

Front

What is the measure of a right angle?

Back

A right angle measures 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is the difference between acute and obtuse angles?

Back

An acute angle measures less than 90 degrees, while an obtuse angle measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1