A triangular sail has a perimeter of 57 ft. Side a is 3 ft shorter than twice side b and side c is 4 ft longer than side b. Find the length of each side.

Respuesta :

Answer:

a = 15 2/3

b = 18 2/3

c = 22 2/3

Step-by-step explanation:

b = a + 3

c = b + 4 = a + 7

a + b + c = a + (a + 3) + (a + 7) = 3a + 10 = 57

3a = 47

a = 15 2/3

b = 18 2/3

c = 22 2/3