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tatiyna
3 years ago
9

 I need help I don't understand this?

Mathematics
1 answer:
snow_tiger [21]3 years ago
6 0
If DG, EG and FG are perpendicular bisectors than: AG = BG = CG.By Pythagorean theorem:
BG² = DG² + BD²BG² = 5² + 12²BG² = 25 + 144 = 169BG = √169 = 13 = CG
Answer: CG = 13 cm.

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