Quiz 7 Review: 7.1--7.5

​Quiz 7 Review: 7.1-7.5

Multiple Choice

The sum of the exterior angles of a polygon is __________________ where n is the number of sides. #1

• 360

• n

• (n - 2)180

• (n - 1)180

Multiple Choice

How many sides would an irregular polygon have if the  interior angle sum is $$1800\degree$$  ? #3

• 20 sides

• 21 sides

• 12 sides

• 180 sides

Multiple Choice

The sum of the interior angles of a polygon is __________________ where n is the number of sides. #2

• (n - 2)180

• (n - 1)180

• 360

• (n - 3)(180)

Multiple Choice

Find the value of the variable(s). #4

• x = 88

• x = 176

• x = 90

• x = 174

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Fill in the Blanks

The figure is a parallelogram.

Solve for x. #10

HINT: OPPOSITE SIDES OF A PARALLELOGRAM ARE CONGRUENT

Multiple Choice

Solve for x and y. SIMILAR TO # 11

Hint: Diagonals bisect each other.

• x = 9, y = 4

• x = 6, y = 4

• x = 6, y = 2

• x = 4, y = 2

Multiple Choice

Is there enough information to determine that this quadrilateral is a parallelogram? #14

• yes

• no

Multiple Choice

Why is this a parallelogram? #15

• both pairs of opposite angles are congruent

• diagonals bisect each other

• both pairs of opposite sides are congruent

• consecutive angles are supplementary

Multiple Choice

State which method we can use to show that the quadrilateral is a parallelogram. #17

• Both pairs of opposite angles are congruent.

• Both pairs of opposite sides are congruent.

• Both pairs of diagonals bisect each other.

• Both pairs of opposite sides are parallel.

Multiple Choice

Solve for x. #20

• x = 13

• x = 15

• x = 70

• x = 10

Explanation Slide...

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Multiple Choice

Solve for y. #8

• x = 13

• x = 15

• x = 17

• x = 10

Fill in the Blanks

Solve for x in the rectangle. #28

Multiple Select

Check all that apply. A rhombus has ... #31

• opposite sides that are parallel

• diagonals that are congruent

• diagonals that are perpendicular

• diagonals that bisect opposite angles

• opposite angles that are congruent

Fill in the Blanks

A park is in the shape of a rectangle. A model of the park is shown below. #32

Solve for BC.

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Multiple Choice

The ____________ of a trapezoid is parallel to each base and its length is one-half the sum of the lengths of the bases. #38

• base

• midsegment

• leg

• diagonal

Multiple Choice

What is the value of x=? #39

• 3

• 4.5

• 6

• 10

Multiple Choice

#40

• a

• b

• c

• d