Answer:
It would be A.
You can trust me because a right angle is 90 degrees, so you would add the two angles.
The angles in a triangle always add up to exactly 180 degrees. To see if this can be a triangle, add up the given angle measures. If the sum is not 180, then it cannot be a triangle.
140+43+7=190
A triangle CANNOT have the angles measures as 140, 43, and 7.
Hope this helps!!
Answer:
7
Step-by-step explanation:
