Triangles
Quadrilaterals
Polygons
Extras
100
How many ways can we identify a triangle? Name these two ways.
2 ways; by sides and angles.
100
How many sides must a shape have to be a quadrilateral?
4 sides
100
What is a polygon?
A flat 2D shape with straight sides and no curves. All sides must touch in order to be a polygon.
100
What does the word congruent mean?
Equal or identical
200
What type of triangle is this? (name by sides and angle)
An acute equilateral triangle
200
Why is this shape not a quadrilateral?
It has 6 sides, not 4.
200
What kind of polygon has 5 sides?
A pentagon
200
What does the word parallel mean?
Side by side; never touch
300
What type of triangle is this? Name it by angles and sides.
An acute isosceles triangle
300
How many pairs parallel sides must a shape have in order to be considered a parallelogram?
2 pairs of parallel sides.
300
What type of polygon is this?
A hexagon
300
How can you tell if an angle is a RIGHT angle?
You will see a box at the right angle; the angle should look like an "L"
400
If all sides are less than 90 degrees than what type of angle is it?
An acute angle
400
Quadrilaterals have angles that equal a total of how many degrees?
360 degrees
400
Is this a polygon? Why or why not?
No, all sides must be closed in order for it to be a polygon.
400
Why is a circle not considered a polygon?
Polygons must have straight sides, not rounded.
500
If a triangle has 2 sides that are 45 degrees, but one side that is 95 degrees, what kind of triangle is it?
An obtuse isosceles triangle
500
This quadrilaterals has four sides that are all equal lengths, two pairs of parallel sides, opposite angles that are equal, and has opposite sides that are equal. What is it?
A rhombus
500
Name any 5 polygons
Answers may vary
500
How can you tell if lines are congruent?
They will be marked with the 2 double lines symbol.