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Elenna [48]
3 years ago
7

Can someone help me please

Mathematics
1 answer:
ANTONII [103]3 years ago
4 0

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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Example
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