Step-by-step explanation:
a)
DA is tangent and at point A and OA is radius of the circle.
(Angle formed at the circumference of the circle is half the angle formed at the center of the circle)

Answer:
6
Step-by-step explanation:
10 x 6 = 60
5 x 6 = 30
60 - 30 = 30
On the complex plane, the number
is mapped onto the point with coordinates
.
In other words, the x coordinate is the real part of the number, while the y coordinate is the complex part of the number.
Viceversa, if you start from a point
, you can identify the number
.
So, the endpoints of the diagonal are the points
and
. These are points A and C in the attached figure.
This means that points B and D have coordinates

So, the correspondant complex numbers are

Answer:
109
Step-by-step explanation:
This question isn’t finished. Please finish typing it out ❤️