2 years ago

Explain and find CD please

1 answer:

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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