Question

In the figure below, point A is the center of square SQRE.
2. What is the image of E for a 90 rotation about A?http://www.intervisualtechnology.us/data/1/9020/apply_9_3.png

Answer 1

e moves to S, s to q, q to r and r to e again.

Answer 2

because a behave just like origin.

Answer 3

that's what i did is that correct?

Answer 4

Draw a square and cut it out. Then put a pin in the middle and rotate the square clockwise one quarter turn. You should see that the E lands where the S was, so the image of E will be S.

Answer 5

Yes.

Answer 6

thank can you help me on the next one

Answer 7

Sure. Do the same thing, but rotate the square halfway around.

Answer 8

so it will be SE

Answer 9

Yes

Answer 10

Do you have an idea of how to go about doing number 4?

Answer 11

no i dont

Answer 12

If you rotate it 30 degrees, the figure will be crooked and not match up with anything, but if you continue another 240 degrees, they will. So how many degrees will it rotate in all after the 30 degrees and then the 240 degrees?

Answer 13

270

Answer 14

Okay. 90 degrees was a quarter turn. 180 is halfway around. How far is 270?

Answer 15

it is 3 triangle of the square

Answer 16

Very good. 3/4 of a circle.

Answer 17

So where will S land after turning that square 3/4 of the way around?

Answer 18

E

Answer 19

Great!
You have done well with the exercise!

Answer 20

thank you so much :)

Answer 21

You're very welcome!