Parallelograms
Presentation
•
Mathematics
•
10th Grade
•
Hard
James Gonzalez
FREE Resource
11 Slides • 7 Questions
1
Dr. Tom Giles
2
Dr. Tom Giles
Since Quadrilaterals are polygons with four sides, Parallelograms are Special Quadrilaterals
3
(& Special Parallograms)
4
Opposite Sides that are Parallel
Opposite Sides that are Congruent
Opposite Angles that are Congruent
Consecutive Angles that are Supplementary
Diagonals that bisect each other
5
6
Opposite Sides that are Parallel
Opposite Sides that are Congruent
Opposite Angles that are Congruent
Consecutive Angles that are Supplementary
Diagonals that bisect each other
7
Opposite Sides that are Parallel
Opposite Sides that are Congruent
Opposite Angles that are Congruent
Consecutive Angles that are Supplementary
Diagonals that bisect each other
All four angles are right angles Diagonals are congruent
Plus:
8
Opposite Sides that are Parallel
Opposite Sides that are Congruent
Opposite Angles that are Congruent
Consecutive Angles that are Supplementary
Diagonals that bisect each other
All four sides are congruent
Diagonals are perpendicular
Diagonals bisect opposite angles
Plus:
9
Opposite Sides that are Parallel
Opposite Sides that are Congruent
Opposite Angles that are Congruent
Consecutive Angles that are Supplementary
Diagonals that bisect each other
Four congruent sides
Four right angles
Diagonals are perpendicular
Diagonals bisect opposite angles
Plus:
10
So a square is a rhombus and a rectangle and a parallelogram and a quadrilateral.
Some text here about the topic of discussion
11
Poll
A parallelogram with four right angles is a
rhombus
rectangle
square
12
Poll
A parallelogram with four congruent sides is a
rhombus
square
rectangle
13
Poll
A parallelogram with four congruent sides and four right angles is a
rhombus
rectangle
square
14
To define and classify special types of parallelograms
To use properties of diagonals of rhombi and rectangles
15
Open Ended
Determine the values of the Rectangle shown at the left.
16
Open Ended
Determine the values of the Rectangle shown at the left.
17
Open Ended
Determine the values of the Rhombus shown at the left.
18
Open Ended
Determine the values of the Square shown at the left.
Dr. Tom Giles
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