2D shapes and Angles!🔷⬛🔵
Quadrilaterals ⬛
Parallelogram
Rectangle
Rhombus
Square
Irregular Quadrilaterals
Kite
Trapezuim
Triangles 🔺
Equilateral
Isosceles
Scalene
All sides are equal
Two sides are equal
No equal sides😢
Angles
Right angles
Acute angles <
Obtuse angles
Straight angles -
Reflex Angles
Revolution
Right- angled Triangle
Acute -angled Triangle
Obtuse -angled Triangle
Has one of it's angles equal to 90 °
All angles smaller than 90°
One angle greater than 90°
Acute angle : Smaller than 90°
Right angle: Exactly 90°
Obtuse angle: Larger than 90° and lower than 180°
Straight angle: Exactly 180°
Reflex angle: Smaller than 360° and larger than 180°
Revolution: Exactly 360°
Circle🔵
Circumference
Radius
Diameter
Opposite sides are equal in length. Opposite angles are equal in size.
Opposite sides are equal in length. All angles are the same and equal 90°
All sides are equal in length . Opposite angles are equal in size.
All sides are equal in length . All angles are the same and equal 90°
This shape does not have any special properties!
Two pairs of adjacent sides are equal in length . One pair of opposite angles are equal.
One pair of opposite sides is parallel.
Quite an interesting shape
All the way around the circle. The perimeter of a circle but in this case called Circumference!
The straight line from the exact middle of a circle all the way to the corner. Half of the Diameter.
The double of a radius, the line all the way across a circle.
PI
3.14159
Volume
Area x Depth
Volume is a measure of how much space an object takes up.
Capacity
Amount of liquid a container can hold.
ml
L
KL
ML
Area
Height x width
Unit of measurement squared.
Perimeter
Add all the sides
Don't forget the units of measurements!!
The outside of a shape.