The circle x² + y² + 4x $$-$$ 7y + 12 = 0, cuts an intercept on Y-axis equal to

In a circle of diameter 44 cm, the length of a chord is 22 cm. What is the length of minor arc of the chord?

The equation of a circle is 

(x² - 4x + 3) + (y² - 6y + 8) = 0

Which of the following statements are correct?

I. The end points of a diameter of the circle are at (1, 2) and (3, 4).

II. The end points of a diameter of the circle are at (1, 4) and (3, 2).

III. The end points of a diameter of the circle are at (2, 4) and (4, 2).

Select the answer using the code given below.

Direction: Consider the following for the items that follow:

A triangle ABC is inscribed in the circle x² + y² = 100. B and C have coordinates (6, 8) and (-8, 6) respectively.

What is BAC equal to?