Answer: a 180 degree rotation about the origin, then a dilation by a scale factor of 1/3
Step-by-step explanation:
Answer:
∠ 4 = 117°
Step-by-step explanation:
∠ 1 and ∠ 4 are alternate angles and supplementary, sum to 180°, then
∠ 4 = 180° - 63° = 117°
i'm not sure how to help with the second thing, but for what looks like a quizzes, i think it should be 186