Since this is a quadrilateral, all angles together = 360°. The angle that is 128° is congruent to angle y, so y=128°. Angle x and y are supplementary, meaning together they equal 180°, or x+y=180°. So x=180°-y. Which means, x=180°-128°=52°.
Answer:
$105
Step-by-step explanation:
125 - 20 = $105
hopefully this helps
Answer:
Alvin 46, Elga 23.
Step-by-step explanation:
.
Answer:
y=16
Step-by-step explanation: