Domain 3 Flashcards

1
Q

what is plane gemetry

A

2d shapes and figures

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2
Q

what is solid geometry

A

3d shapes and figures

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3
Q

what is the vertex?

A

the common point where the rays originate from

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4
Q

how can an angle be named?

A

letter
number
all points

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5
Q

what are adjacent angles?

A

angles that share a common side and vertex

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6
Q

what is a straight angle?

A

180*

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7
Q

what are complementary angles?

A

two angles that create a sum of 90*

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8
Q

what are supplemetary angles?

A

angles that create a sum of 180*

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9
Q

what is an angle bisector?

A

the vertex of an angle divides the angles into equal pieces

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10
Q

what are vertical angles?

A

angles opposite to each other that are always equal

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11
Q

what are the types of lines?

A

intersecting
parallel
perpendicular
transversal

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12
Q

what happens to the angles when a transversal line comes into a parralel set?

A

angles in same positions have the same measures

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13
Q

what are the types of triangles?

A

equalateral
isosceles
scalene

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14
Q

what is the altitude of the triangle?

A

a sigment going from the vertex to the base to make a 90*

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15
Q

hat is the mediamn of the triangle?

A

a segment that goes from the vertex of a triangle to the midpoint of the opposite side

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16
Q

when can the pythagorean theorem be used?

A

right traingles

17
Q

what do you call lines that form 90* angles?

A

perpendicular

18
Q

what is the distance across a circle?

A

diameter

19
Q

how to the lengths of sides impact the others?

A

the sum of the lengs of any two sides must be larger than the third