Quadrilaterals
What shape has 4 equal sides and can have any 4 angles
Rhombus
The interior angles in a triangle always add up to....
180 degrees
what are parallel lines and what is a transversal traversal
Parallel lines never meet, the transversal is the line that crosses over a pair of parallel lines.
What type of triangle has 2 equal sides and 2 equal angles?
Isosceles
All angles in a quadrilateral add up to how many degrees?
360 Degrees
What type of triangle has all equal sides and all equal angles?
Equilateral
Co interior angles add up to how many degrees?
180
What type of angles are less that 90 degrees?
Acute
A quadrilateral with an interior angle greater than 180 degrees is considered what?
Non- Convex
What type of triangle has no equal sides?
Scalene
Vertically opposite angles, corresponding angles and alternate angles have what in common?
The angles are always equal
What type of angles sum to 90 degrees?
Complementry angles
What shape has 1 pair of parallel sides but no sides of equal length?
Trapezium
If a triangle has 2 angles of 80 degrees what is the third angle?
20 degrees
If an angle is equal to 35 degrees the angle vertically opposite is equal to what?
35 degrees
What type of angles sum to 180 degrees?
Supplementry
A quadrilateral has 3 angles, 80 degrees, 90 degrees and 32 degrees. What is the missing angle?
158 degrees
How can the exterior angle of a triangle be calculated
By adding the two opposite interior angles of the triangle
140 degrees
What is a reflex angle?
An angle greater than 180 degrees