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Math > Chapter 12 > Flashcards

Chapter 12 Flashcards

1
Q

Polygon

A

A closed figure made up of line segments that do not cross each other

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2
Q

Triangle

A

A polygon with three sides and three angles

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3
Q

Quadrilateral

A

A polygon that has four sides and four angles

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4
Q

Pentagon

A

A polygon with five sides

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5
Q

Hexagon

A

A polygon with six sides and six angles

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6
Q

Octagon

A

A polygon with eight sides

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7
Q

Congruent

A

Having the same measure

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8
Q

Acute triangle

A

A triangle with three acute angles

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9
Q

Obtuse triangle

A

An angle that measures between 90° and 190°

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10
Q

Right angle

A

An angle with a measure of 90°

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11
Q

Equilateral triangle

A

A triangle with three congruent sides

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12
Q

Scalene triangle

A

A triangle with no congruent sides

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13
Q

Isosceles triangle

A

A triangle with at least two sides of the same length

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14
Q

Trapezoid

A

A quadrilateral with exactly one pair of parallel sides

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15
Q

Parallelogram

A

A quadrilateral with four sides in which each pair of opposite sides are parallel and congruent

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16
Q

Rectangle

A

A quadrilateral with four right angles; opposite sides are equal and parallel

17
Q

Rhombus

A

A parallelogram with four congruent sides

18
Q

Square

A

A rectangle with four congruent sides

19
Q

Base

A

(1) Any side of a parallelogram

(2) One of the two parallel congruent faces in a prism

20
Q

Unit cube

A

A cube with a side length of one unit

21
Q

Cubic unit

A

A unit for measuring volume such as cubic inch or a cubic centimeter.

22
Q

Volume

A

The amount of space inside a three dimensional figure.

Math (8 decks)

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