13 + (-12) - (-5)
13 - 12 + 5
1 + 5
= 6.
Answer is A)
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.
Answer:
x<0
Step-by-step explanation:
Answer:
v=45
Step-by-step explanation: