Amazing Angles
Name that angle!
I am shaped like a perfect "L"
Right Angle
What is the name for a quadrilateral that has 2 opposite pairs of parallel lines?
Parallelogram
Triangles have ___ sides and ____ angles.
To remember this shape, William thinks about an octopus.
Octagon
Name that angle!
I am BIGGER than a right angle
Obtuse Angle
Who am I?
I have 4 right angles.
I am a parallelogram.
All of my sides are the same length.
Square
What kind of triangle has all acute angles?
Acute Triangle
This shape has 5 sides and 5 angles
Pentagon
Name that angle!
I am SMALLER than a right angle
Acute Angle
Who am I?
I am a quadrilateral, but I am NOT a parallelogram.
Trapezoid
What kind of triangle has 3 sides that are all the same length?
Equilateral Triangle
Quadrilateral
Name that angle!
You can find 4 of me in a square.
Right Angle
Who am I?
I have 2 acute angles, and 2 obtuse angles.
I am a parallelogram.
All of my sides are the same length.
Rhombus
What kind of triangle has 3 sides that are all different lengths?
Scalene Triangle
You might find this shape inside of a beehive. It has 6 sides and 6 angles.
Hexagon
What kind of angles can you find inside a rhombus, and how many of each angle are there?
4 total angles
2 acute angles and 2 obtuse angles
What is one similarity between a SQUARE and a TRAPEZOID?
What is one difference?
Answers vary
Explain how one triangle can be both an Equilateral Triangle AND an Acute Triangle.
We can classify or describe triangles based on their angles or the length of their sides.
An equilateral triangle has 3 sides of the same length, and it will ALSO have 3 acute angles.
Can you name each shape in order?
- 3 sides, 3 angles
- 4 sides, 4 angles
-5 sides, 5 angles
- 6 sides, 6 angles
- 8 sides, 8 angles
- BONUS: 7 sides, 7 angles
Triangle, Quadrilateral, Pentagon, Hexagon, Octagon
Bonus: Heptagon!