Please show the steps to work out these problems.

In Exercises 43-46, write the standard equation of the circle. 43. 8 x 45. a circle with center (0, 0) and radius 8 46. a circle with center (0, - 5) and radius 2 Formulas Angles and Arcs of Circles Vertex Example Formula Center of the circle m/1 = x (central angle) x = m/1 to On the circle (inscribed or m41 = =x tangent-chord) x = 2m/1 Inside the circle to 7 (not on center) m41 = = ( x + y ) Outside circle secant-secant, (360-y tangent-secant, m4 1 = = ( x-y ) tangent-tangent) Segment Formulas Chord-Chord: part 1.part 2 (from same segment) = part 3.part 4(from same segment) Secant-Secant: outside(whole) = outside(whole) Secant-Tangent: outside(whole) = tangent Unit 10 Test (Adv) Review Update, page 4