What is the special property of Alternate angles on parallel lines?
They are equal.
200
How many degrees in a right angle?
90
200
This triangle has 2 equal sides
Isosceles
200
What is the size of each angle in a rectangle?
90 degrees
200
What is the angle sum of a quadrilateral?
360 degrees
200
What is the special property of Cointerior angles on parallel lines?
They add up to 180 degrees
300
An angle that is more than 90 degrees
obtuse
300
the angles of an equilateral triangle are
60 degrees
300
The diagonals of a square creates two congruent triangles. Classify the two triangles using two methods
Isosceles triangles and right triangles
300
In a triangle, one angle is 45 degrees and another is 60 degrees. What is the size of the 3rd angle? (no calculator)
***Optional Double Points***
75 degrees
300
Which quadrilateral has only 1 pair of parallel sides?
Trapezium
400
4 right angles make one of these
***Optional Double Points***
square or rectangle
400
A scalene triangle has how many equal angles
0
400
How many pairs of parallel sides in a rectangle?
2
400
In a quadrilateral, one angle is a right angle, one is equal to 100 degrees and the 3rd angle equals 30 degrees. What is the size of the 4th angle? (no calculator)
140 degrees
400
2 angles add up to 90 degrees. We say that they are ______
Complementary
500
an angle that measure 112 degree
Obtuse
500
A triangle has 2 equal sides and 2 angles both equal to 45 degrees. Give its full name.
***Your choice - Play for 500 or Double your current score***
Right angled isosceles triangle
500
Name the three types of triangles by the angle method.
** Double your points
Name the three types of triangles by the side method
Right, acute, and obtuse.
Equilateral, scalene, and isosceles
500
In an isosceles triangle, the top angle is equal to 40 degrees. What is the size of each base angle? (no calculator)