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Converse of Pythagorean Thm. If the square of one side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle. Some Pythagorean Triples…. 3,4,5 (or 6,8,10 or 9,12,15 or 12,16,20, or 15, 20, 25) 5,12,13 (or 10, 24, 26) 8,15,17 7,24,25.
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Converse of Pythagorean Thm • If the square of one side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right triangle.
Some Pythagorean Triples… • 3,4,5 (or 6,8,10 or 9,12,15 or 12,16,20, or 15, 20, 25) • 5,12,13 (or 10, 24, 26) • 8,15,17 • 7,24,25
If c^2<a^2+b^2, then m<C is less than 90… and triangle is ACUTE If c^2>a^2+b^2, then m<C is greater than 90… and triangle is OBTUSE Other options…