6. 7. 5. 8. In the figure above, the circle is inscribed in a square that has area 16. Quantity A The area of the shaded region Quantity A (56) Quantity A (5 + a)(3 + a) a> 1 b>5 Quantity B 1 Quantity B Quantity B a² + 2a + 15 In triangle ABC, AB = 12, AC = 10, and BC = 5. Quantity A Quantity B The measure of angle A The measure of angle C O

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