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leonid [27]
2 years ago
6

Explain and find CD please

Mathematics
1 answer:
oksano4ka [1.4K]2 years ago
4 0

Answer:

CD \approx5.29

Step-by-step explanation:

By geometric mean theorem:

CD=\sqrt {AD\times BD}  \\  \\ CD=\sqrt {7\times 4}  \\  \\ CD=\sqrt {28}  \\  \\ CD=5.29150262 \\  \\ CD \approx5.29

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