Answer:
θ = 170°
Step-by-step explanation:
Given angle is in radian as,
Here,
symbol represents the angle is in radian.
To convert given angle into degree, multiply the given angle with conversion factor as follows,

Substituting the values,

Cancelling out the common terms,

Therefore,

Therefore the value of given angle in degree is 170°
Answer:
It is a 90 degree right angle
It is not isosceles
It is not equivalent
It its scalene
Step-by-step explanation:
(2+sqrt2i)^-1 = 1 / (<span>2+sqrt2i)</span>