A triangle by definition has three sides, so a shape with six sides cannot be a triangle. A shape with six sides would be classified as a hexagon. Triangles are specifically defined as polygons with three sides and three angles.
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a triangle is a with three sides
a triangle is a with three sides
Not only are all three angles the same, the sides are too.It's called an equilateral triangle.
It is 9
10x+3 < 9x-6 (subtract 9x from both sides to give..) if and only if x+3 < -6 (subtract 3 from both sides to give ..) if and only if x < -9