You need to add up all the angles to make 180
Answer:
x = -9
Step-by-step explanation:
-3x + 8 =35
-3x = 27
x = -9
Answer:
the answer is C
Step-by-step explanation:
so the answer is c
Answer:
71°
Step-by-step explanation:
BDH is a triangle (as seen on figure)
<BDH + <DBH = <DHE ( Sum of two interior angles of a triangle is equal to the opposite exterior angle)
40° + 31° = X
X = 71°
