The answer would be 3.
Hope this helps!
Answer:
ABCD is a square and a rectangle, just graph the points to see the shape it makes
-6x is the correct answer
The two consecutive numbers are 8 and 9.
Complementary angles are those angles whose sum is 90 degree.
The measurement of two complementary angles are

There sum have to be 90 degree. That is

Combining like terms ,

Moving 20 to right side

Dividing both sides by 5

So the measurement of the angles are
