Respuesta :

Answer:

a is the answer

Step-by-step explanation:

to understand this

you need to know about:

  • cross multiplication
  • PEMDAS

given:

  • [tex] \frac{e + f}{a - d} = \frac{b}{a} [/tex]

let's solve:

[tex]step - 1 : define \\ \frac{e + f}{a - d} = \frac{b}{a} \\ step - 2 : cross \: multiplication \\ b(a - d) = a(e + f)[/tex]

Answer: Answers for this

Step-by-step explanation: 1 is 3, 2 is 4, 3 is 3, 4 is 4, 5 is 192 cm and 6 is a(e+f)=b(a-d)