The answer should be 10 + 10i. Hope that helps.
Answer:
x = 75 degree
Step-by-step explanation:
Angle between C and B must equal 90 degree.
90- 15 equal 75 degree.
Knowing this angel C and E is equal to angel F and D
Answer:
c
Step-by-step explanation:
the normal equation is 120 and c is 120
