Question

In circle O, BC = 17 and DC = 30. The diagram is not drawn to scale.

Answer 1

Applying the secant-tangent theorem, the length of diameter, BA is: A. 52.9.

What is the Secant-Tangent Theorem?

Considering the image given, the secant-tangent theorem states that:

DC² = (BC)(BA)

Given the following:

• BC = 17
• DC = 30

Substitute the values into the equation

30² = (17)(BA)

900/17 = BA

BA ≈ 52.9

Length of the diameter, BA is: A. 52.9

Learn more about the secant-tangent theorem on:

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