Draw two lines AB and AC that meet at point A. The angle BAC is greater than 90° but less than 180°. Let AB > AC.
Draw a third line BC to complete the triangle so that BC is not equal to AB or AC.
The triangle is a scalene triangle containing an obtuse angle.
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An obtuse scalene triangle.
A triangle can be constructed into any of the given formats.
No, a scalene triangle is simply one that has three unequal sides. An obtuse triangle is one that has one angle of greater than 90 degrees. As an example, this page shows three different scalene triangles: http://mathworld.wolfram.com/ScaleneTriangle.html The one on the left is a right triangle. The one in the middle is obtuse. The one on the right is acute.
equilateral triangle, scalene triangle, and isoceles triangle Also, acute, obtuse, and right
Thay aren't. A scalene triangle has 3 uncongruent sides. While an isoceles has only one uncongruent.