opposite
largest
across from, or opposite to
Any exterior angle of a triangle always equals the sum of the two interior opposite angles.
In a triangle, the sum of the angles is always 180 degrees. This is known as the angle sum property of triangles. Additionally, the largest angle in a triangle is always opposite the longest side, and the smallest angle is opposite the shortest side.
angle with the greatest measure
The longest side
The longest side of a triangle is always opposite its largest angle
shortest
angle
opposite
largest
shortest side
across from, or opposite to
The shortest side of a triangle is opposite to the smallest interior angle.
angle with smallest measure - apex
The angle with the smallest measure is opposite the shortest side. Similarly, the angle with the largest measure is opposite the longest side.