Types of Angles Triangles Squares & Rectangles Angle Sum Bits and Pieces

100

Acute
30 degrees is what type of angle?

100

Equilateral
This triangle has 3 equal sides

100

4
How many equal sides does a square have?

100

180 degrees
What is the angle sum of a triangle?

100

They are equal.
What is the special property of Alternate angles on parallel lines?

200

90
How many degrees in a right angle?

200

Isosceles
This triangle has 2 equal sides

200

90 degrees
What is the size of each angle in a rectangle?

200

360 degrees
What is the angle sum of a quadrilateral?

200

They add up to 180 degrees
What is the special property of Cointerior angles on parallel lines?

300

180 and 360
A reflex angle lies between ____ degrees and ____ degrees

300

Exterior
The outside angle of a triangle is called the _______ angle

300

bisect
The diagonals of a square _______ each other.

300

75 degrees
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***

300

Trapezium
Which quadrilateral has only 1 pair of parallel sides?

400

A revolution
4 right angles make one of these ***Optional Double Points***

400

0
A scalene triangle has how many equal angles

400

2
How many pairs of parallel sides in a rectangle?

400

140 degrees
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)

400

Complementary
2 angles add up to 90 degrees. We say that they are ______

500

Supplementary
2 angles that add up to 180 degrees are known as _____ angles

500

Right angled isosceles triangle
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***

500

Diagonals bisect at right angles OR diagonals bisect the angles through which they pass
Name a diagonal property of a square that is not a diagonal property of a rectangle

500

70 degrees
In an isosceles triangle, the top angle is equal to 40 degrees. What is the size of each base angle? (no calculator)

500

Diagonals bisect at 90 degrees
Name one property a kite shares with a square.

Geometry

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