bradyspencer35
bradyspencer35 bradyspencer35
  • 24-10-2019
  • Mathematics
contestada

What is the measure of minor arc AC, given that AB and BC are tangent to
oo?

What is the measure of minor arc AC given that AB and BC are tangent to oo class=

Respuesta :

SouthernRider
SouthernRider SouthernRider
  • 05-11-2019

Answer:

200°

Step-by-step explanation:

In ΔABO ∠ABO=20°/2=10°

∠BAO=90°

sum of the angles of the ΔABO=180°

90°+10°+x=180°

x=180°-100°=80°

Therefore ∠AOB=80°

By similarity we have ∠COB=∠AOB=80°

Let the arc AC be x

now we know that the whole angle is 360°

x+80°+80°=360°

x=200°

Answer Link
val10126 val10126
  • 03-03-2021

Answer:D)200

Step-by-step explanation:i got it right

Answer Link

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