Show:
Points, Lines and Planes
Angles
Polygons
Symmetry
Triangles and Quadrilaterals
100
What is a straight connection between 2 points, and is never ending in both directions?
A line.
100
What is an angle that is less than 90 degrees?
An acute angle.
100
What are the characteristics of a polygon?
It has 3 or more straight sides, and it is a closed figure.
100
Fill in the blank. A figure is symmetric if it can be ____________ on the line to form 2 halves that match up when it comes together.
folded
100
What 2 ways are triangles named?
By their sides and by their angles.
200
The number of degrees in a right angle
90 degrees
200
What is the name of a four sided polygon?
Quadrilateral
200
How many lines of symmetry does a rectangle have?
2
200
What are the names of a triangle that has no equal sides and one obtuse angle?
Scalene and obtuse triangle
300
A flat surface that never ends.
A plane.
300
A pie is cut into 6 slices. What number sentence could you use to find the degrees of one slice?
360 divided by 6 = 60
300
An octagon has how many sides and vertices?
Eight
300
How many lines of symmetry in an equilateral triangle?
3
300
Which quadrilateral has opposite sides that are equal and parallel, and has 4 right angles?
Rectangle
400
Two lines that intersect and form right angles.
Perpendicular lines
400
Mrs. Flaherty divided a right angle into 2 equal angles. What is the measurement of each angle?
45 degrees
400
How many pairs of parallel lines does a trapezoid have?
One pair
400
Write the word GRANGER in all capital letters. Which letters have lines of symmetry?
A and E
400
What is the name of a triangle with 3 equal sides and all acute angles?
equilateral and acute trianle
500
Lines that cross through the same point.
Intersecting lines
500
Two angles that add up to 180 degrees are called what kind of angles?
supplementary angles
500
How many more sides does a hexagon have than a triangle?
3
500
Can a square have a line of symmetry that is diagonal?
Yes!
500
Any polygon that has opposite sides that are parallel are called what?
Parallelogram