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Leya [2.2K]
2 years ago
11

Find x (4+25) (6x+20) (3x+25)

Mathematics
1 answer:
Paraphin [41]2 years ago
6 0

Answer: 15

Step-by-step explanation:

Opposite angles of a cyclic quadrilateral are supplementary, so:

3x+25+6x+20=180\\\\9x+45=180\\\\9x=135\\\\x=\boxed{15}

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