Answer:
?
Step-by-step explanation:
Answer:
(1,4)
Step-by-step explanation:
For 16/18 it would be 8/9
For 10/15 it would be 2/3
Answer:
-38
Step-by-step explanation:
1. Isolate y to one side.
y+12=-26
subtract 12 to both sides
y=-38
Angle BEC is the unmarked angle in the middle of the figure. Its value is the difference between straight angle AED (180°) and the two marked angles, 57° and 33°. That difference is ...
... 180° - 57° -33° = 90°
∠BEC is a right angle.