Answer:
x = 4.5
Step-by-step explanation:
14 = 8/3x + 2
12 = 8/3x
36 = 8x
x = 4.5
Answer:
X
Step-by-step explanation:
Answer:
vertical angle are congruent
because BD and CE intersect and intersecting lines make vertical angle
Step-by-step explanation:
Answer:
D. 63 degrees
Step-by-step explanation:
For the first answer
Cos B = 0.45
tan60 = √3
= 60° = arctan √3
Cos B = 0.45
B = 63°
Thus B = arc cos 0.45 = 63°
