2 A chord 12 cm long subtends an angle
of 40° at the centre of the circle. Calcu-
late the radius of the circle.
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Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.

How does reflecting or rotating a figure change the interior angles of the figure?