Use the Pythagorean Theorem to determine if triangles are acute, obtuse, or right triangles.
Drag the red point on the line to adjust the triangle's side lengths. Make a triangle with side lengths of 4.57, 12.47 and 13.00.
Robert is starting to think that his picture of a field is tilted. He measures the three distances seen in the interactive to determine whether that triangle is right, acute or obtuse.
You can move the red dot to rotate the painting.
Shows how to use the Pythagorean Theorem and its converse to determine if a triangle is acute, right, or obtuse.
Practice Pythagorean Theorem to Classify Triangles questions
covers how to find the length of sides using the Pythagorean Theorem, how to identify sets of Pythagorean Triples, how to use the Pythagorean theorem to classify triangles, and how to use the Pythagorean Theorem to determine distance