If one angle of a parallelogram measures $$120^\text{°}$$ , what is the measure of the opposite angle?

The opposite angle also measures $$120^\text{°}$$ .

What is the formula to calculate the length of the diagonal of a rectangle with length $$l$$ and width $$w$$ ?

The length of the diagonal is given by $$\text{Diagonal} = \text{sqrt}(l^2 + w^2)$$ .

What is the formula to calculate the number of diagonals in a polygon with $$n$$ sides?

The formula is $$\frac{n(n-3)}{2}$$ .

What is the measure of each angle in a rectangle?

Each angle in a rectangle measures $$90^\text{°}$$ .

What is the relationship between the opposite angles in a parallelogram?

The opposite angles in a parallelogram are equal.

What is the sum of the exterior angles of any polygon?

The sum of the exterior angles of any polygon is $$360^\text{°}$$ .

A trapezoid is a quadrilateral with at least one pair of parallel sides.

What is the difference between a rhombus and a rectangle?

A rhombus has all sides equal, while a rectangle has all angles equal to $$90^\text{°}$$ .

What is the definition of a quadrilateral?

A quadrilateral is a polygon with four sides.

What is the property of the diagonals in a rectangle?

The diagonals of a rectangle are equal in length.

Exploring Quadrilaterals and Their Properties Flashcards

Student preview

15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

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

Back

2.

FLASHCARD QUESTION

Front

What theorem is used to find the sum of the interior angles of a quadrilateral?

Back

The Quadrilateral Angle Sum Theorem.

Tags

CCSS.HSG.C.A.3

3.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.HSG.C.A.3

4.

FLASHCARD QUESTION

Front

What is a key property of all parallelograms?

Back

Opposite sides are parallel and equal.

Tags

CCSS.HSG.CO.C.11

5.

FLASHCARD QUESTION

Front

Back

Tags

CCSS.8.G.B.8

6.

FLASHCARD QUESTION

Front

Calculate the diagonal of a rectangle with length 8 meters and width 6 meters.

Back

The diagonal is 10 meters.

Tags

CCSS.8.G.B.7

7.

FLASHCARD QUESTION

Front

How many diagonals does a quadrilateral have?

Back

A quadrilateral has 2 diagonals.

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