Triangles Test

The Triangle Similarity Theorem states that if two triangles have corresponding angles that are equal, then the triangles are similar, meaning their corresponding sides are in proportion.

The Triangle Inequality Theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Two triangles are congruent if they have the same size and shape, which means their corresponding sides and angles are equal.

Two triangles are similar if their corresponding angles are equal or if the lengths of their corresponding sides are proportional.

The area of a triangle can be calculated using the formula: Area = 1/2 * base * height.

The Pythagorean Theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): a² + b² = c².

A scalene triangle is a triangle in which all three sides have different lengths.

An isosceles triangle is a triangle that has at least two sides of equal length.

An equilateral triangle is a triangle in which all three sides are of equal length and all three angles are equal (each measuring 60 degrees).

The sum of the interior angles of a triangle is always 180 degrees.