Respuesta :

Hagrid
These are the answers:

Make sure to use the Pythagorean method.
a squared + b squared = c squared

the radius should be 14

Andthis should be the solution

vertices (-10, 3) and (8, 3) 
center (-1, 3) 
a = 9 
b = 2 
c = √(9²+2²) 
= √85 

Answer:

Angle B = 60°

For explanation look below

Hope this helps!

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