To rotate a shape 90 degrees around the point of origin, turn the x and y coordinates into -y and +x coordinates. For example, a triangle with the coordinates 1,2, 4,2, and 4,4 would become -2,1, -2,4, and -4,4.

What is the rule for rotating a shape?

There are some general rules for the rotation of objects using the most common degree measures (90 degrees, 180 degrees, and 270 degrees). The general rule for rotation of an object 90 degrees is (x, y) ——–> (-y, x).

What does it mean to rotate a shape?

Rotating shapes means moving them around a fixed point (clockwise or anticlockwise, and by a certain number of degrees). The shape itself stays exactly the same, but its position in the space will change.

How do you rotate a shape 90 degrees clockwise?

Answer: To rotate the figure 90 degrees clockwise about a point, every point(x,y) will rotate to (y, -x).

How do you rotate a shape in Word?

1. Select the object to rotate.
2. Go to Shape Format or Picture Format >Rotate.
3. Select More Rotation Options.
4. In the pane or dialog box that opens, enter the amount to rotate the object in the Rotation box. You can also use the arrows to rotate the object exactly where you want.

How do you rotate the shape of a degree?

1. When rotating a shape by 90 degrees about the origin, each point (x,y) becomes (-y,x)
2. When rotating a shape by 180 degrees about the origin, each point (x,y) becomes (-x,’-y)
3. When rotating a shape by 270 degrees about the origin, each point (x,y) becomes (y, -x)

How do you write a rotation transformation?

to form Image B. To write a rule for this rotation you would write: R270◦ (x,y)=(−y,x). Notation Rule A notation rule has the following form R180◦ A → O = R180◦ (x,y) → (−x,−y) and tells you that the image A has been rotated about the origin and both the x- and y-coordinates are multiplied by -1.

How do you rotate a shape 157 in Word?

1. Click the object you want to rotate.
2. On the Shape Format tab or Picture Format tab, in the Arrange group, click Rotate. …
3. Click More Rotation Options.
4. In the dialog box or pane that opens, enter the amount that you want to rotate the object in the Rotation box.

How do you rotate a 270 degree counterclockwise?

270 Degree Rotation When rotating a point 270 degrees counterclockwise about the origin our point A(x,y) becomes A'(y,-x). This means, we switch x and y and make x negative.

How do I rotate an image?

1. To add or adjust a filter, tap Photo filters . …
2. To manually change lighting, color, or add effects, tap Edit . …
3. To crop or rotate, tap Crop & rotate .

Article first time published on

How do I rotate a picture in a shape in Word?

1. Insert shape and rotate to desired position.
2. Use Format > Fill > Fill with picture.
3. De-select “Rotate with shape.” Click OK.
4. Go to Format Picture > Crop and select “Crop to Fill” and position the way you need it.

What is an example of rotation?

Rotation is the process or act of turning or circling around something. An example of rotation is the earth’s orbit around the sun. An example of rotation is a group of people holding hands in a circle and walking in the same direction. (chiefly uncountable) The act of turning around a centre or an axis.

How do you reflect a shape?

To reflect an object, you need a mirror line. When a shape is reflected, its size does not change – the image just appears ‘flipped’. Every point on the shape is the same distance away on the other side of the mirror line.

How do you rotate a shape around the origin?

The rule for a rotation by 180° about the origin is (x,y)→(−x,−y) .

How do you reflect over YX?

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places. If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed). the line y = x is the point (y, x).

What is the rule for 90 degree counterclockwise rotation XY to?

Here are the rotation rules: 90° clockwise rotation: (x,y) becomes (y,-x) 90° counterclockwise rotation: (x,y) becomes (y,x) 180° clockwise and counterclockwise rotation: (x, y) becomes (-x,-y)

How do you rotate coordinates?

Predicting Rotations Rotate the point (5, 8) about the origin 270° clockwise. The rule for rotating an object 270° clockwise about the origin is to take the opposite value of the x coordinate and then switch it with the y coordinate. The opposite of 5 is -5 and, switching the coordinates, we obtain our answer: (8, -5).