Types of Angles
This type of angle is less than 90 degrees.
Acute
What type of angle is 45 degrees.
Acute
Angle in an equilateral triangle
60 degree
A Quadrilateral with all sides equal ?
Square or Rhombus
Name of triangle with all sides different
scalene
Alternate angles on parallel lines are ?
Equal
What is the supplementary angle for 120 degrees
60 degrees
Two angles in a triangle are 40 degrees and 30 degrees . What is the 3rd angle ?
Quadrilateral with one set of sides parallel
Trapezium
Name of the line joining the opposite corners of a quadrilateral ?
diagonal
This type of angle is greater than 90 degrees and less than 180 degrees
Obtuse Angle
What is the complementary angle for 40 degrees
50 degrees
An isosceles triangle has base angles equal to 40 degree each. What is the measure of the 3rd angle ?
100 degrees
Square or Rectangle
Triangle where 2 sides are equal
Isosceles
Co-interior angles on parallel lines are ?
Supplementary / adds to give 180 degrees
sum of internal angles of a triangle
180 degrees
The number of acute angles in a right triangle ?
2
A quadrilateral with opposite sides equal ?
Parallelogram and Rhombus
a polygon with 5 sides
pentagon
This angle is greater than 180 degrees and less than 360 degrees
Reflex angle
sum of internal angles of a quadrilateral
360 degrees
Number of straight angles in an obtuse triangle?
0
A quadrilateral where the diagonals are perpendicular
Square or Rhombus or Kite
What is the measure of a base angle in an isosceles right angled triangle ?
45 degrees