Basic Geometrical Ideas

To name a specific ray, how many points on that ray must be identified at minimum?

The edges of a rectangular shoebox are examples of:

A point is considered to have how many dimensions?

If line $l \parallel m$ and line $m \parallel n$, then line $l$ is _____ line $n$.

The point where the blades of a windmill are joined is their:

In the letter $U$, if the two vertical segments are perfectly straight, they are:

Which letter represents an open curve that is NOT simple (due to the way lines meet at a central point)?

Which of these is NOT a property of a simple closed curve?

What type of curve is formed by a single wave of the sea that doesn't loop back?

In a hexagon $ABCDEF$, side $AB$ is opposite to side:

What is the sum of the number of vertices in a triangle and a pentagon?

Which of the following polygons has exactly $8$ vertices?

Which mathematical symbol is used to denote a triangle?

The number of sides in a pentagon is:

A polygon with 6 sides is called a:

In $\Delta XYZ$, how many vertices are shared by the side $XY$ and the side $XZ$?

Which of the following shapes is NOT a three-sided closed figure?

In $\Delta DEF$, vertex $E$ is the common point where which two sides of the triangle meet?

What is the numerical sum of the number of sides and the total number of diagonals in any quadrilateral?

In a quadrilateral, the total distance measured along all four of its sides is called its:

Which of the following is NOT a primary interior angle of a quadrilateral with vertices $K, L, M$, and $N$?

Every diameter of a circle is also a line of:

If you add the lengths of two radii that do not form a straight line, their sum is:

To move from a point in the interior to a point in the exterior, you must cross the: