Vocabulary
A line that intersects two or more parallel lines.
transversal
Lines that do not intersect.
What are parallel lines.
4
A right-angle has how many degrees?
90
How many sides does a pentagon have?
5
Two angles whose measures add up to 180 degrees
supplementary angles
triangle with all different sides
scalene
The sides in an irregular quadrilateral are what?
not equal/different lengths
If a triangle has angles less than 90 degrees, they are...
regular
When 2 parallel lines are intersected by a transversal, these angles create an F or toothbrush shape.
Corresponding (or equal)
A triangle with all sides and all angles the same.
What is an Equilateral Triangle
Name a quadrilateral we learnt
e.g. square, rectangle, rhombus, kite, trapezium, parallelogram
If an angle is larger than 90 degrees in a triangle, it is...
obtuse
A vertex can also be called...
a corner
Congruent angles formed by two intersecting lines and are diagonal from each other
Vertically opposite Angles.
A triangle with 2 sides and 2 angles the same.
What is an Isosceles Triangle.
a squashed square is called a...
rhombus
What are the angle measure of an equilateral triangle?
What is 60 degrees.
What is special about a non-convex polygon
One vertex/corner points inwards
When 2 parallel lines are intersected by a transversal, when two angles form a Z shape, they are...
Alternate (or equal)
Opposite of parallel lines
A squashed rectangle is called a...
parallelogram
An isosceles triangle has two angles that are both 34 degrees. What is the third angle?
112 degrees
How many degrees do the interior angles of a 4-sided shape add up to be?
360