drrphil
drrphil drrphil
  • 26-05-2017
  • Mathematics
contestada

AB and BC are tangent to circle D. find angle B if arc AEC measures 210 degrees

Respuesta :

Hagrid
Hagrid Hagrid
  • 09-06-2017
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 Link
harshapuranik179
harshapuranik179 harshapuranik179
  • 19-01-2020

Answer:

Angle B = 60°

For explanation look below

Hope this helps!

Ver imagen harshapuranik179
Answer Link

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