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# Triangles and their properties

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### Triangles and their properties

1. 1. TRIANGLES AND ITS PROPERTIES… OJASVITA CHAUHAN VII MATHEMATICS
2. 2. What is a TRIANGLE???
3. 3. Triangles according to sides: Equilateral Triangle Isosceles Triangle Scalene Triangle Triangles according to angles: Acute Angle Triangle
4. 4. This property states that the sum of all angles of a triangle is equal to 180 degrees.
5. 5. Exterior Angle Property This property states that the angle formed on the extension of any side of the triangle is equal to the sum of any two interior angles.
6. 6. Triangle Inequality Property A property which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
7. 7. CONGRUENCE of Triangles…. Triangles are congruent when all corresponding sides and interior angles are congruent. The triangles will have the same shape and size, but one may be a mirror image of the other. Two triangles can be congruent by the following ways: ASA: Angle Side Angle SAS: Side Angle Side SSS: Side Side Side
8. 8. THANK YOU