In 8th grade, students learn the Pythagorean Theorem and its application. According to the Pythagorean Theorem, if a triangle is a right triangle, then the sum of the squares of the lengths of the two legs is equal to the square of the length of the hypotenuse.

Students can use “Identify if a triangle is a right triangle worksheet” to understand this important topic. In this worksheet, three side lengths of a triangle are given and students are asked to identify whether the triangle is a right triangle or not.