persiah2382
persiah2382 persiah2382
  • 22-01-2021
  • Mathematics
contestada

can someone help me please

can someone help me please class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 22-01-2021

9514 1404 393

Answer:

  (a)  25°

Step-by-step explanation:

The angle marked 93° is the average of the arcs intercepted by the secant lines.

  (161° +AD)/2 = 93°

  161° +AD = 186° . . . . . multiply by 2

  AD = 25° . . . . . . . . . . .subtract 161°

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