Geometry. Review. TYPES OF LINES. 1. Parallel Lines. - Two lines that never intersect. 2. Perpendicular lines. - Two lines that intersect forming right angles. Types of Angles. Right angle. - an angle with 90 degrees. - an angle between 0 – 90 degrees. Acute angle. Obtuse angle.
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1. Parallel Lines
- Two lines that never intersect.
2. Perpendicular lines
- Two lines that intersect forming right angles.
- an angle with 90 degrees
- an angle between 0 – 90 degrees
- an angle between 90 – 180 degrees
- an angle with 180 degrees in it.
Has three sides
Has four sides
Has five sides
Has six sides
Has seven sides
Has eight sides
Has nine sides
Has ten sides
Has eleven sides
Has twelve sides
Has N- sidesTypes of Polygons
Has one set of parallel sides.
Has two sets of parallel sides
A parallelogram with all equal sides
A parallelogram with all right angles
A Rectangle with all equal sides.Types of Quadrilaterals
In regards to ANGLES
-Has 1 right angle
-Has 1 obtuse angle
-Has all acute angles
Equiangular– has all angles the same measure.
In regards to SIDES
- all equal sides
- 2 equal sides
No equal sidesTRIANGLES
There are 180 degrees in a triangle !!!!