![]() ![]() Check the result: Verify that the size and shape of the triangle remain the same after the rotation. The image of triangle ABC after the rotation will be triangle A′B′C′ as shown in the figure below.Ĥ. Rotate the shape by 180 degrees: Imagine flipping the triangle over the line PM. Draw a line connecting the point of rotation and the midpoint of the triangle: Let M be the midpoint of the triangle ABC. Identify the point of rotation: Let P be the point of rotation on the plane.Ģ. Check the result: Ensure that the size and shape of the object remain the same after the rotation.įor example, let’s say we want to rotate a triangle ABC by 180 degrees around the point P. Rotate the shape by 180 degrees: To do this, imagine the shape getting flipped over the line of rotation, such that the shape appears upside down with respect to its original position.Ĥ. ![]() Draw a line connecting the point of rotation and the midpoint of the shape: This will serve as the axis of rotation, which is a line where the shape will rotate around.ģ. It can be any point on the plane or axis.Ģ. Identify the point of rotation: This is the fixed point about which the shape will rotate. To perform a rotation of 180 degrees, we can follow these steps:ġ. When an object is rotated by 180 degrees, it undergoes a complete turn or a half-turn and gets flipped upside down. Rotation by 180 degrees is a geometric transformation that involves flipping an object or shape about a fixed point called the point of rotation, while preserving its size and shape. Rotation 180 degrees This is an example of this rigid motion transformation. ![]()
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