Respuesta :

nr33703296

Answer:

a = 26.5 units.

Step-by-step explanation:

Hrishii

Answer:

14

Step-by-step explanation:

By intersecting tangent and secant theorem:

[tex] {a}^{2} =c(b + c) \\ \\ {a}^{2} = 4(4 + 45) \\ \\ = 4 \times 49 \\ \\ a = \sqrt{4 \times 49} \\ \\ a = 2 \times 7 \\ \\ a = 14[/tex]

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