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Blake l’s Unit 5 Vocab By: Blake L.

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**How many degrees in a triangle?**

There is always exactly 180 degrees in a triangle.

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**How many degrees in a straight line?**

In a straight line there is always 180 degrees in a strait line. 180 Degrees

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**How many degrees in a quadrangle?**

There is 360 degrees in a quadrangle.

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**What’s the sum of all angles that share a side?**

The sum of all the angles that share a side is 240.

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**An acute angle is an angle that is 60 degrees or more than 0 degrees.**

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Adjacent Angle Two angles are adjacent if they have a common side and a common vertex (corner point) and don't overlap.

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Axis The vertical and horizontal lines that make up the quadrants of a coordinate plane. The vertical axis is usually referred to as the y axis and the horizontal axis is usually referred to as the x axis.

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**To divide into two equal parts.**

Bisect To divide into two equal parts.

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Concentric Circles Concentric objects share the same center, axis or origin with one inside the other.

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Congruent If one shape can become another using Turns, Flips and/or Slides, then the two shapes are called Congruent.

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Consecutive Angles The pairs of angles on one side of the transversal but inside the two lines are called Consecutive Angles

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**The angles in matching corners are called Corresponding Angles.**

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**The figure that results from some transformation of a figure.**

Image The figure that results from some transformation of a figure.

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**Transformation Translation Reflection Dilation Rotation**

Point Reflection Dilation Rotation

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**The line that is reflected over in a reflection.**

Line of reflection The line that is reflected over in a reflection.

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Midpoint The exact middle point.

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**An Obtuse Angle is more than 90° but less than 180°.**

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Parallel Lines Two lines on a plane that never meet. They are always the same distance apart.

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Perpendicular In geometry, two lines or planes (or a line and a plane), are considered perpendicular.

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