Definitions/Terms
This is a closed shape where all sides and angels are equal…
What is a regular polygon?
A regular polygon that has 5 sides is called a _______ and a regular polygon that has 9 sides is called a ________
What is a pentagon and a nonagon?
A line that goes straight up and down is called a _________ and a line that runs left to right is called __________.
What is a vertical line and horizontal line?
This is when two shapes are equal in size and shape..
What is congruency?
What is the type of triangle with three acute angles?
Acute
This is a closed shape where all sides and angels are not equal..
What is an irregular polygon?
An irregular polygon that looks like a rectangle that is falling over is called a ________ and an irregular polygon that look like a rectangle but both sides are tilted in is called a ___________
What is a parallelogram and a trapezoid?
This is where two lines never meet..
What are parallel lines?
This is a term used in geometry to describe when a 2D shape moves or slides a certain distance..
What is translation?
What type of triangle has three sides of different lengths?
Scalene
A straight line on a 2D shape is called ______ and this is where two sides meet______
What are edges and vertices?
This is the term used for any four 2D sided shape…
What is a quadrilateral?
This is when two lines cross..
What are intersecting lines?
This is a term used in geometry to describe when a 2D shape turns…
What is a rotation?
What type of angle has one obtuse angle and two sides of the same length?
Obtuse isosceles
A 3D object has length, ______, and __________
What is width and height?
These are types of 3D objects that looks like a box..
What is a prism?
When you fold a figure by the line of symmetry, the two sides could fit each other perfectly.
What is a line symmetry?
This is a term used in geometry to describe when a 2D shape flips..
What is a reflection?
What type of triangle has the angle of the following measurement: 60, 60, and 60 degrees?
Equilateral
The flat surface of a 3D object is called a _______ and where two faces meet is called an ________
What is a face and an edge?
These are types of 3D objects that go to a point..
What is a pyramid?
This is when two lines cross at a 90 degree angle..
What are perpendicular lines?
A line is symmetry is an similar to or an example of a translation, rotation, or reflection?
What is a reflection?
What type of triangle will be formed by the following measurements? Angles: 30, 30, 120 degrees. Side: 5, 5 cm.
Obtuse, iisosceles