Explanation:
To find the size of the smallest angle in the given triangle, we need to use the fact that the sum of the angles in any triangle is always 180 degrees.
Let's call the smallest angle in the triangle "x". We are given that one angle is 71 degrees.
Using the fact that the sum of the angles in a triangle is 180 degrees, we can set up the equation:
x + 71 + third angle = 180
To find the third angle, we can subtract 71 from both sides of the equation:
x + third angle = 180 - 71
x + third angle = 109
Now, we know that the sum of the smallest angle "x" and the third angle is 109 degrees.
Since the smallest angle in a triangle is always less than the other two angles, we can conclude that the smallest angle in this triangle is less than 109 degrees.
Therefore, we can't determine the exact size of the smallest angle without additional information.
I hope this helps :)