Best Answer : put two pentagons one on top of the other and rotate them counting the number of times they match ( to find the rotation symmetry ) , draw a circle and mark its center then draw a pentagon whose every corner touches the circle and see if drawing a diameter that goes through the center leaves the same figure on each side of the divided ...
An Ordered Pair. When we write down points on our coordinate plane, we call it an ordered pair because we have two numbers. We need the two numbers to tell us where the point is on the coordinate plane. The first number tells us where it is on the x-axis, and the second number tells us where it is on the y-axis.
These lines are perpendicular and intersect at their zero points. This point is called the origin. The axes divide the plane into four quadrants. A point in a coordinate plane is named by its ordered pair of the form of (x, y).The first number corresponds to the x-coordinates and the second to the y-coordinate.xactly one point in the plane is named given the numbers of the ordered pair and. 2. Exactly one ordered pair of numbers names a given point in the plane. To graph a point one draws a dot at the coordinates that corresponds to the ordered pair.