Symmetry and Rotations
How many lines of symmetry does a rectangle have?
2
What two quadrilateral polygons do not have an obtuse angle?
rectangle and square
What is a quadrilateral?
A polygon that has four sides and four angles.
Name the triangle with 3 equal sides.
equilateral triangle
What do you call a shape with 4 sides?
A quadrilateral
How many lines of symmetry does an equilateral triangle have?
3
What does adjacent mean?
beside
What is a triangle?
A polygon that has three sides and three angles.
What triangle has no sides (ZERO) that are the same length.
a scalene triangle
What three shapes have 2 pairs parallel sides?
parallelogram, square, and rectangle
How many lines of symmetry does a square have?
4
What word also mean "the same"?
Congruent
What polygon has interior angles that always add up to 180 degrees?
triangle
Name the triangle with one right angle.
right triangle
Square and rectangle.
How many orders of rotational symmetry does a rectangle have?
2
Name the quadrilateral that can have all four sides measuring different lengths.
trapezoid
What polygon has interior angles that always add up to 360 degrees?
quadrilateral
What triangle has 2 sides that are the same length.
isosceles triangle
What quadrilateral has two pairs of adjacent congruent sides?
Kite
How many orders of rotational symmetry does a square have?
4
Why was the acute triangle sad?
Because he would never be right.
Name the two polygons we have been studying.
triangles and quadrilaterals
What triangle has one obtuse angle.
obtuse triangle
Name two shapes that have 4 congruent sides.
Square and Rhombus