Two equal sides of a triangles are each 5metres less than the twice th

1.	Two equal sides of a triangles are each 5metres less than the twice the third side .if the perimeter of a triangle is 55 m find the length
Answer» LET the 3RD SIDES be x Equal sides = 2x-5 Perimeter=2x-5+2x-5+x =5x-10+55 5x=55+10 5x=65 x=65/5=13 Therefore 3rd side=13m Equal sides = 2x-5 =(2*13) -5 =26-5 =21m

Two equal sides of a triangles are each 5metres less than the twice the third side .if the perimeter of a triangle is 55 m find the length

Answer»

LET the 3RD SIDES be x

Equal sides = 2x-5

Perimeter=2x-5+2x-5+x

=5x-10+55

5x=55+10

5x=65

x=65/5=13

Therefore 3rd side=13m

Equal sides = 2x-5

=(2*13) -5

=26-5

=21m

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Two equal sides of a triangles are each 5metres less than the twice the third side .if the perimeter of a triangle is 55 m find the length

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