samella6572 samella6572

07-05-2020
Mathematics

contestada

In triangle abc angle a is a right angle and b equals 45 degrees. Side CA is 11. what is the length of BC?

Respuesta :

Chelboy Chelboy

08-05-2020

Answer:15.56

Step-by-step explanation:

Using sine rule we get

11/(sin45)=BC/(sin90) sin45=0.7071 sin90=1

11/0.7071=BC/1

15.56=BC

Therefore BC=15.56

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