Is a triangle with sides of 3,4,6 a right triangle?

It is not a right triangle. To check if the sides are a right triangle, check if the sum of the squares of the two smaller sides equals the length of the square of the longest side. In other words, check if it works with the Pythagorean theorem: Does 3^2+4^2 equal 6^2? 3^2+4^2stackrel?=6^2 9+16stackrel?=36 25!=36 Since 25 isn't 36 the triangle is not a right triangle. Hope this helped!

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