nolanyarr23
nolanyarr23 nolanyarr23
  • 13-04-2022
  • Mathematics
contestada

25 points
Please help

25 points Please help class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 14-04-2022

Answer:

  214°

Step-by-step explanation:

The external angle (marked 34°) is equal to half the difference of the arcs ACB and AB.

  34° = 1/2(ACB -AB)

Together, the two arcs form a complete circle of 360°, so we have ...

  34° = 1/2(ACB -(360° -ACB)) = 1/2(2ACB -360°)

  34° = ACB -180° . . . . . . . . . . . . simplify

  180° +34° = ACB = 214° . . . . . add 180°

The measure of arc ACB is 214°.

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