Answer:
∠A = 26°
Step-by-step explanation:
Supplementary angles total 180°.
∠A +∠B = 180°
(x -16)° +(3x +28)° = 180°
4x° + 12° = 180°
x° +3° = 45°
x° = 42°
∠A = (x -16)° = 42° -16°
∠A = 26°
The image of p is (-1, 1)
Because the rule for 270 counterclockwise is (y,-x)
Answer:
Step-by-step explanation:
7x + 14 = 6x + 30
x + 14 = 30
x = 16
Answer:
nonagon
Step-by-step explanation:
The correct name for a 9-sided polygon is <u>nonagon</u><u>.</u>