Respuesta :

Answer:

AB = 8

Step-by-step explanation:

AC = 36

AB/BC = 2/7

AB = (2/7)BC

AB + BC = 36

(2/7)BC + BC = 36

(9/7)BC = 36

BC = 36(7/9)

BC = 4*7

BC = 28

AB + BC = 36

AB = 36 - 28

AB = 8

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Is AB/BC = 2/7?

8/28 = 2/7  YES