two equal sides are f an isosceles triangles are each 2cm more than thrice the sides the perimeter of triangles is 67,find the lengths of two sides
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Step-by-step explanation:
Let the third side be x
then the other 2 sides will be equal as it is an isosceles triangle. the 2 other sides will be equal to 3x+2 and 3x+2.
the perimeter of a triangle is equal to sum of all sides and is given as 67.
therefore,
3x+2 + x + 3x+2= 67
7x+4=67
7x=63
x=9
the 2 sides will therefore be 3×9 + 2
27+2
= 29. therefore the 2 sides are 29 cm each
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