Seudónimo Seudónimo
  • 02-02-2022
  • Mathematics
contestada

100 points.

Thanks in advance

100 points Thanks in advance class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 02-02-2022

Answer:

  • A. 78°

Step-by-step explanation:

Since both AC and DB are diameters, angle 3 is central angle.

Angles 1 and 3 are vertical angles, hence are of equal value.

Since the central angle has same value as the intercepted arc, we have:

  • m∠3 = m∠1 = mAD = 78°

Correct choice is A

Answer Link
Аноним Аноним
  • 11-07-2022
  • mAD=78°=m<1

As

m<3 is opposite to m<1 both the angles are equal

Now

m<3=m<1

  • 78°
Answer Link

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