Question

A. Draw the image of ΔDEF after a rotation of 90° clockwise about the point (1,0). Label the image ΔD’E’F’.

b. Draw the image of ΔD’E’F’ after a reflection across the line x = 1. Label the image ΔD”E”F”.

Please help!!

Answer 1

see the attachment

Explanation:

(a) Clockwise rotation moves a point from (x, y) to (y, -x).

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(b) Reflection across x=1 moves a point from (x, y) to (2-x, y).