Respuesta :

cmock
the measure B’C’ is 2 inches
mumsy

Answer: BC=18

Step-by-step explanation:

because both figures are congruent

BC is equal to B'C'

3x+12=5x+8  we solve the equations by adding and subtracting variables and numbers

3x-5x=8-12

-2x=-4 multiply by -1 and divide by 2

x=2

BC=18