Answer: Supplementary Angles
Step-by-step explanation:
Supplementary angles are a pair of angles whose sum is 180°. 45° and 135° add up to 180°. Therefore, the answer is supplementary angles.
Answer:
Step-by-step explanation:
Answer:
-1
Explanation:
X - 9 = -10
+9 +9
——————
X = -1
Answer:
see explanation
Step-by-step explanation:
Under a clockwise rotation about the origin of 90°
a point (x , y) → (y , - x)