Competency 17: Geometry & Measurement Flashcards Preview

Texas Generalist EC-6 Mathematics > Competency 17: Geometry & Measurement > Flashcards

Flashcards in Competency 17: Geometry & Measurement Deck (15)
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1
Q

Line

A

straight one-dimensional figure that has no thickness and extends forever on both ends.

2
Q

Ray

A

A line that starts at one endpoint and goes on forever.

3
Q

Two rays that share the same endpoint make an…

A

angle

4
Q

Vertices

A

Corners

5
Q

Circumference formula

A

2 pie r

6
Q

Area formula

A

(base)(height) or A=bh

7
Q

Acute Angle

A

less than 90 degrees

8
Q

Right Angle

A

exactly 90 degrees

9
Q

Obtuse Angle

A

Greater than 90 degrees but less than 180 degrees

10
Q

Straight Angle

A

exactly 180 degrees

11
Q

Reflex Angle

A

Greater than 180 degrees

12
Q

Full Rotation

A

Exactly 360 degrees

13
Q

Equilateral triangle

A

Has 3 equal sides

14
Q

Isosceles triangle

A

has 2 equal sides

15
Q

Scalene triangle

A

has no equal sides