In a triangle, if sides are 3, 4, 5, then it is a $x$ triangle (right/acute/obtuse).
Answer (integer)
1
Solution
3² + 4² = 9 + 16 = 25 = 5². By converse of Pythagoras, 3-4-5 triangle is right-angled.
About this question
Subject: Mathematics · Chapter: Trigonometric Functions · Topic: Properties of Triangles
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