Answer:
The area of triangle is 
Step-by-step explanation:
Let
B -----> the measure of the vertex angle of the isosceles triangle ABC
a and c -----> the two congruent sides of the isosceles triangle ABC
we know that
The area of a triangle applying the law of sines is equal to

we have


substitute in the formula


Quadrant Four (IV) since the x coordinate is a positive and the y coordinate is a negative.
Your point (0,0) on the blue shape, when translated to the green shape, becomes (-6,-8)
16, because all the other numbers are odd and 16 is even