Chapter 6 Flashcards

1
Q

What formula do you use to find the sum of the interior angle measurement?

A

n-2(180)

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2
Q

What is an equilateral polygon?

A

A polygon with congruent sides

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3
Q

What is an equiangular polygon?

A

A polygon with congruent angles

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4
Q

What is a regular polygon?

A

A polygon that is both equilateral and equidistant

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5
Q

What is the formula you use to find the corollary to the angle sum measurement?

A

n-2(180)/n

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6
Q

What is the formula you use to find the polygon exterior angle sum?

A

360/n

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7
Q

What is a quadrilateral?

A

A four sided polygon with the 360° interior angle measurement

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8
Q

What are the defining features of a parallelogram?

A

Opposite angles are congruent; consecutive angles are supplementary; diagonals bisect each other; opposite sides are congruent

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9
Q

What is a rectangle?

A

A parallelogram with four right angles

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10
Q

What are the defining features of a rectangle?

A

The diagonals are congruent to each other

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11
Q

What is a square?

A

A parallelogram with four right angles and four congruent sides

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12
Q

Are the defining features of a square?

A

The diagonals form four congruent triangles

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13
Q

What is a rhombus?

A

A parallelogram with four congruent sides

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14
Q

What are the defining features of a rhombus?

A

Diagonals are perpendicular to each other; diagonals bisect opposite angles

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15
Q

What are the three sentences that help to figure out whether a shape is a rhombus, square, or a rectangle?

A

All squares are rectangles. Not all rectangles are squares. All squares are rhombuses. Not all rhombuses are squares. A rhombus is a rectangle when it’s a square.

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16
Q

What is a trapezoid?

A

A quadrilateral with exactly one pair of parallel sides

17
Q

The defining features of a trapezoid?

A

The median is the average of the bases; the two bases are parallel

18
Q

What is an isosceles trapezoid?

A

Trapezoid with congruent legs

19
Q

What are the defining features of an isosceles trapezoid?

A

The two bases are parallel; the pairs of base angles are congruent; the base angles that share a side are supplementary; diagonals are congruent

20
Q

What is a kite?

A

A quadrilateral with two pairs of consecutive sides congruent and no opposite sides congruent

21
Q

What are the defining features of a kite?

A

Diagonals are perpendicular; diagonals bisect one pair of opposite angles

22
Q

What do you use the midpoint formula for?

A

Defined the middle, medium, bisector, etc.

23
Q

What do you use the slope formula for?

A

Parallels and perpendiculars

24
Q

What do you use the distance formula for?

A

To find the length

25
Q

What is a parallelogram?

A

A quadrilateral with two pairs of parallel sides