Names of Shapes
I have six sides.
Hexagon
180 degree angle.
straight angle
All sides are equal length.
equilateral triangle
When two lines or rays meet at one vertex this is formed.
What is an angle?
These lines have no points in common. These lines will never intersect.
parallel lines
I have 8 sides.
Octagon
A 90 degree angle.
right angle
Two sides are the same length.
isosceles triangle
This word means having the exact same size and the exact same shape.
What is congruent?
a shape with one set of parallel sides and right angles
right trapezoid
I have 4 sides and only two of my sides are parallel.
Trapezoid
An angle that is less than 90 degrees.
acute angle
All sides are different lengths.
scalene triangle
This is the unit used to measure the size of an angle.
What is a degree?
an isosceles trapezoid has _____ equal sides
2
I have three sides and they are all different lengths.
scalene triangle
An angle that is more than 90 degrees but less than 180 degrees.
obtuse angle
This tool can be used to draw triangles when the measurements of the angles are not given
compass
This is the name given to a closed shape with straight sides that does not have all sides equal or all angles equal.
What is an irregular polygon?
What do the diagonals of a parallelogram do to each other?
bisect ( cut into two equal parts)
I have four sides. They are all the same length. All opposite sides are parallel but I have no right angles at all!
rhombus
An angle that is more than 180 degrees but less than 360 degrees.
reflex angle
All angles in the triangle add up to...
180 degrees
If a figure or shape has this attribute then it can be divided into two parts have the exact same size and shape.
What is symmetry?
Opposite angles in a parallelogram are...
congruent