Respuesta :

kimmosley80

Answer

The answer is 148*

Step-by-step explanation:

Ummm This is because The total amount of degrees in a triangle will ALWAYS(No matter what) be 180* Degrees. So i subtracted 12 and 20 from 180. that was.. 148.

i think.

Make sure to get more answers before you trust mine.

The answer is 16

12^2+b^2=20^2

144 + b^2= 400

B^2= 256

Square root of 256 is 16

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