Answer:
acute
Explanation:
To determine what kind of triangle it is, we need to compare the sum of the squares of the two shorter lengths (281) with the square of the longest length (324).
Since the sum of the squares of the two shorter sides (281) is less than the square of the longest side (324), we have the following relationships:
If the sum of the squares of the two shorter sides is less than the square of the longest side, it's an acute triangle.
If the sum of the squares of the two shorter sides is equal to the square of the longest side, it's a right triangle.
If the sum of the squares of the two shorter sides is greater than the square of the longest side, it's an obtuse triangle.
In this case, 281 is less than 324, so the triangle is an Acute Triangle.