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GEOMETRY NOTES
Rectangles -0
- Opposite Sides are Congruent
- Opposite sides are parallel
- Opposite Angles are congruent
- Consecutive Angles are Supplementary
- Diagonals bisect each other
- Diagonals are congruent
- All Angles are right angles
How to Find parts of a rectangle
- Diagonals create isosceles triangles
- 90 degree angles in each corner
- Diagnals are congruent
- Diagnals bisect
How to Find rectangles
- Prove diagonals are congruent and bisect each other
- Prove all angles are 90 degree angles
- Show one set of sides is parralel and opposite angles are congruent.
Rhombus -0
- Perpendicular diagonals
- All four sides are congruent
- Diagonals bisect the angles
- Consecutive angles are supplementary
- Opposite angles are congruent
- Opposite sides are parallel
- Opposite sides are congruent
How to find parts of the rhombus
- 4 congruent sides
- Diagnals are perpendicular (90)
- Diagonals Bisect the angles
How to Find a Rhombus
- If all sides of a quad are congruent
- If Diagonals bisect the angles
- Diagonals are perpendicular to each other
Square
- ALL THE PROPERTIES OF RECTANGLES AND RHOMBUS
How to find a square
- Prove all sides are congruent and diagonals bisect each other
- Prove all sides are congruent and all angles are 90 degrees
Parallelograms
- Both pairs of opposite sides are parralel
- Angles next to each other are supplementary (180 degrees)
- Two pairs of opposite sides are congruent
- oppisite angles are congruent
How to find parts of a Parallelogram
- Angles next to each other are supplementary
- opposite angles are congruent
- opposite sides are congruent
How to find a Parallelogram
- If one pair of oppisite sides are congruent and parralel
- Diagonals Bisect each other
- Both pairs of oppisite angles are congruent
- both pairs of opposite sides are congruent