Interior angles in any triangle sum up to 180 so 180-(30+40)=110
So the exterior angles equals 180-110= 70
70 is the final answer i hope it helps and good luck
Answer: LAST OPTION.
Step-by-step explanation:
The Pythagorean Theorem states the following relationship between the three sides of a triangle that has an angle of 90 degrees, known as "Right triangle":

Where "a"is the hypotenuse and "b" and "c" are the legs of the right triangle.
If the triangle ABC is a right triangle then AB must be equal to
, then, you need to substitute the values into
to check this:

Then the triangle ABC is not a right triangle.
Therefore, the statement that justifies why this triangle is not a right triangle is:

Answer:
15
Step-by-step explanation:
The last one is no solutions and the first on is <span>infinitely many solutions
and the second one is one solution. I am pretty sure! Hope this helps!</span>