1.

2 equal sides of a triangle are each 5 meters less than twice the third side . perimeter of the triangle is 55 meters, find the length of its sides?

Answer»

Let the Length of third SIDE is ( X ) m


Each sides from 2 side = ( 2x - 5 ) m






Given, perimeter = 55 m

=> x + 2x - 5 + 2x - 5 = 55
=> 5x - 10 = 55
=> x = 65/5
=> x = 13 m




Hence, Length of sides are :

x = 13 m
( 2x - 5 ) = 2(13)-5 = 21 m
( 2x - 5 ) = 21 m


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