WODB – problem of existence of triangle

Real life applications of Math – the main purpose of the tasks. Homework, classwork or exams must be fun and also improving mathematics education. Cool math game combinated with Earth problems and social responses thinking is another goal of the tasks.

Triangles are governed by two important inequalities. The first is often referred to as the triangle inequality. It states that the length of a side of a triangle is always less than the sum of the lengths of the other two sides. The second inequality involving triangles has to do with opposite angles and sides. It states that when a pair of angles are unequal, the sides opposite them are also unequal.

WODB (which one does not belong). This is a type of test where one image does not belong to the other three by some feature. Sometimes there are many signs and another picture does not fit. Such tests are very good at determining the learner’s logic and thinking direction. WODB is the basis for debate and debate when everyone is trying to prove their truth.

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