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Answer» • A Triangle with sides (2x+5), (3x-7) and (-x+11) To Find : • PERIMETER of the Triangle Solution : We know that,Remove the brackets Arrange the constants and variablesSimplifyFinal Simplification Perimeter of the triangle is (4x+9) unitsAbout TRIANGLES : • Triangle is a closed figure bounded by 3 line SEGMENTS. • There are 3 ANGLES, 3 sides and 3 vertices of the triangle. • SUM of all angles of Triangle is 180° • Triangles are Divided on the basis of angles and side. • On the basis of angle Triangles are classified into 3 parts. • On the basis of side Triangles are classified into 3 parts too. |
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