3 years ago

In \triangle BCD,△BCD, \overline{BC}\cong \overline{DB}

Mathematics

1 answer:

Mariana [72]3 years ago

8 0

Answer:16.5

Step-by-step explanation: x+x+147=180

2x+147=180

2x=33

2x=33 divide by 2

x=16.5

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