doris2002 doris2002

03-01-2019
Mathematics

contestada

How do I work this out?

How do I work this out class=

Respuesta :

cgwilliams22 cgwilliams22

04-01-2019

Answer:

Step-by-step explanation:

6² b²= 12²

a² +b² = c²

36+b² = 144

CB≈ 10.392

SOH CAH TOA

sin(55°)= 10.392/x

CD≈12.686

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