Answer:
x
=
1
+
i
√
2
,
1
−
i
√
2
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
Last answer for the first question and in not sure about the second one
If you follow is rule : P(x,y)>180° rotation>P'(-x,-y). the negative signs doesn't mean to make it negative but to change it to the opposite sign. If it's positive it goes to negative. And if it's negative is goes to positive. The rotated image would have the points: (1,2) (4,4) (3,7)
Answer:
∠DAB = ∠DBA
Then AD=DB from above statement