Respuesta :

Answer:

x = 6

ABC = 24

BCA = 66

Step-by-step explanation:

Complementary angles equal 90°

4x + 11x = 90

Add 4x and 11x

15x = 90

Divide by 15

x = 6

Replace x with 6

4 · 6 = 24

11 · 6 = 66

Check:

24 + 66 = 90

I hope this helps!!!

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