Question

the sides of a triangle ,in centimeters are x,2x-3 and 2x+5. the perimeter of the triangle is 57cm.work out the length of three sides of the triangle​

Answer 1

Answer:

Perimeter of Triangle = sum of all sides

Given, x + 2x-3+2x+5 =57

5x+2 = 57

5x =57 -2

5x =55

x = 55 ÷ 5 = 11

x =11 cm

2x -3 = 2*11 -3 = 22 - 3 = 19 cm

2x+5 = 2*11 +5 =22 +5 =27 cm

Answer 2

Answer:

19cm, 27cm

Step-by-step explanation:

x+2x+3+2x+5

=>5x+2= 57

=>5x=55

x=55/5 = 11

=> 2x-3 = 2*11-3=19

=> 2x+5 = 2*11+5=27

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