Definitions
Figures that are the same shape and size.
What are congruent shapes?
An imaginary line that passes through the centre of the shape or object and divides it into identical halves is called a....
What is a line of symmetry?
An angle that is less than 90 degrees is called?
What is an acute angle?
This quadrilateral is a polygon with ____ sides.
What is four?
Which of these is NOT a benchmark angle:
a) 90 degrees
b) 180 degrees
c) 45 degrees
d) 60 degrees
What is d, 60 degrees?
A closed figure with 3 or more sides.
What is a polygon?
A rectangle has ____ lines of symmetry?
What is two?
The measure of each angle in a rectangle.
What is 90 degrees?
A quadrilateral with only one pair of parallel sides
What is a trapezoid?
Name 3 different quadrilaterals that have two pairs of parallel sides.
What is a rhombus, square, rectangle, parallelogram?
Parallel sides are...
two sides that, when extended, will never meet.
A parallelogram with a pair of opposite acute and a pair of opposite obtuse angles has ______ lines of symmetry?
What is no?
An angle that less than a half-right angle could be:
a) 50 degrees
b) 80 degrees
c) 30 degrees
d) 100 degrees
What is 30 degrees?
This shape has four 90 degree angles, and two pairs of equal sides and adjacent sides are not equal.
What is a rectangle?
A polygon with four different side lengths and no parallel sides.
What is a quadrilateral?
A right angle, straight angle, and half-right angle are all ______________.
What are benchmark angles?
True of False. A square has more than two lines of symmetry?
What is True, it has four? One vertical, one horizontal, two diagonal.
An angle that is greater than 90 degrees.
What is an obtuse angle?
A quadrilateral with 4 equal sides but does not have adjacent equal angles.
What is a rhombus?
Is a parallelogram a rectangle or is a rectangle a parallelogram?
What is a rectangle is a parallelogram?
A rectangle has two pairs of parallel sides.
A parallelogram does not have four right angles.
When referring to quadrilaterals, parallel sides must be on _______ sides of the figure.
What is opposite?
Name a quadrilateral with only one line of symmetry.
What is a kite? A trapezoid could, but it needs to have a pair of equal sides
How can you tell if an angle is just less than 180 degrees?
You can use a straight angle as a benchmark.
Which of these shapes are parallelograms?
Square
Rhombus
Trapezoid
Rectangle
What is a square, rhombus and rectangle?
True or False and explain: A square is a rhombus but a rhombus does not always have to be a square.
What is true? A square has two pairs of parallel sides and all sides are equal. A rhombus does not have to have four right angles.