SOLUTION: can a triangle ever have more than one acute exterior angle? explain.

Algebra.Com
Question 399336: can a triangle ever have more than one acute exterior angle? explain.
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
No. An acute exterior angle means that it's supplement is
greater than 90 degrees. That will be one of the interior
angles of the triangle.
Since the interior angles add up to 180 degrees, that
means the remaining 2 interior angles must add up
to less than 90 degrees. There is no way that one
of these angles can be greater than 90 degees, and
that would be the requirement for an exterior angle
to be acute, or less than 90 degrees.

RELATED QUESTIONS

can a triangle ever have more than one acute exterior... (answered by Alan3354)
In a right triangle, one acute angle is 54degree more than twice the other. Find each... (answered by fractalier)
In a right triangle, one acute angle is 54° more than twice the other. Find each acute... (answered by orca)
In a right triangle, one acute angle is 54° more than twice the other. Find each acute... (answered by ikleyn)
The measure of one acute angle of a right triangle is 12 degrees more than the other... (answered by Theo)
If the hypotenuse of any right triangle ABC has a length of 1 cm, can the length of the... (answered by ikleyn)
One acute angle of a right triangle is not less than 30° more than twice the other acute... (answered by Theo,MathTherapy)
Solve the problem. In a right triangle, one acute angle is 54degree more than twice... (answered by Nate)
olve the problem. In a right triangle, one acute angle is 54degree more than twice the (answered by checkley71)