Warm Up 1. Take a compass and a handout from the Chromebook cart, do #1 – 3 on the handout. 𝐵𝐷 𝑏𝑖𝑠𝑒𝑐𝑡𝑠 ∠𝐴𝐵𝐶. If m∠𝐴𝐵𝐶=100 and m∠𝐷𝐵𝐶=2𝑥+10, solve for x (hint: draw a picture).

pg. 31

pg. 31 -1 -3 -4 -3

pg. 32 4 3 1 3 4 1

pg. 32 -1 2 -1 2 -2 2 2 2 2 2 4 2 2 -4 2 -4 4 -4 2

pg. 32

pg. 33

pg. 33

pg. 34 equals Is the opposite of Reflection across the x-axis

pg. 34

pg. 35 You Try! Coordinate Rule: Describe transformation: Rigid or non-rigid?

pg. 35 Coordinate Rule: Describe transformation: Rigid or non-rigid?

pg. 35

pg. 36

pg. 37 Coordinate Rule: Show AB ≠A’B’ Coordinate Rule: Show RS ≠R’S’

Turn to HW on pg. 39 Coordinate Rule: Describe transformation: Rigid or non-rigid?

pg. 39 Coordinate Rule: Show AB ≠A’B’

pg. 38 #1-4: Graph and say “rigid” or “non-rigid”