Question

two equal sides of an isoscles triangles are each 2 cm more than thrice the third side. If the perimeter of triangle is 67 cm find the lengths of its sides​

Answer 1

Answer:

The third side length is 21 centimeters and the two equal sides length is 23 centimeters.

Step-by-step explanation:

67-4=63

63/3=21

21+2=23

Answer 2

Answer:

First side= 29 cm

Second side= 29 cm

Third side= 9 cm

Step-by-step explanation:

We know that 2 sides of an isosceles triangle are equal

Given, Perimeter= 67 cm

Let the third side be x

Let the other two sides be 3x+2

Now,

Perimeter of Triangle= S1+S2+S3

67=(x)+(3x+2)+(3x+2)

67= x+3x+2+3x+2

67= 7x+4

67-4= 7x

63= 7x

63/7=x

9cm =x

First side= 3x+2

              = 3×9+2

              = 27+2= 29 cm

Second side= 3x+2

              = 3×9+2

              = 27+2= 29 cm

Third Side= 9 cm

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