Respuesta :

Answer:

C 15

Step-by-step explanation:

20÷4x3=15

rorycampbell0721

Answer:

C. 15

Step-by-step explanation:

If B's side length is 20, that means in the ratio 3:4 the 4 represents B's side length.

Multiply both sides of the ratio by 5:

15: 20

The answer is 15.

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