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Setler79 [48]
4 years ago
13

A. 141 B. 138 C. 282 D. 69

Mathematics
1 answer:
aleksandrvk [35]4 years ago
3 0

Answer:

D

Step-by-step explanation:

The measure of x is calculated as

x = 0.5( arc CD - arc BD)

  = 0.5(210 - 72) = 0.5 × 138 = 69 → D

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