The answer would be 20 apples.
Parralel or most likely symmetrical
Triangle, not a triangle, not a triangle, triangle
Determining if three side lengths can make a triangle is easier than it looks. All you have to do is use the Triangle Inequality Theorem, which states that the sum of two side lengths of a triangle is always greater than the third side. If this is true for all three combinations of added side lengths, then you will have a triangle.[
5 to the 2nd power is 25, and 3 to the 2nd power is -9, so 16 is your answer.
