gaytansarina
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  • 19-07-2021
  • Mathematics
contestada

Triangle PQR has the following coordinates:

P (-9,-12) Q(-6, -13) R(-7, -4)

Where is Q' after a rotation 90° clockwise?

Respuesta :

Аноним Аноним
  • 19-07-2021

Answer:

(-13,6)

Step-by-step explanation:

Rule for rotation 90 degrees clockwise around the origin

( x , y ) --------> ( y , -x )

Explanation of rule:

Swap the x and y values

Change sign of new y value

Find Q' after a rotation 90 degrees clockwise around the origin

Given coordinates of Q

(-6,-13)

Apply rotation 90 degree clockwise rule

(-6,-13) -------> swap x and y values -------- -> (-13,-6) -------> change sign of new y value --------> (-13,6)

Q' will be at (-13,6) after a rotation 90 degrees clockwise around the origin

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