Geometry

Question Analysis

This question focuses on using the Pythagorean inequality theorems to classify a triangle. The main task is to compare the sum of the squares of the two shorter sides with the square of the longest side to determine if the triangle is acute, right, or obtuse.

 

Key Concept Explanation

Pythagorean Theorem: For a right triangle with legs and and hypotenuse , .

Pythagorean Inequality Theorems:

If > , where is the longest side, the triangle is acute.

If < , where is the longest side, the triangle is obtuse.

 

Step - by - Step Solution

1. Identify the longest side:

Among , , and , the longest side . Let and .

2. Calculate and :

Calculate :

.

Calculate :