Given the equation of the circle x2 + y2 + 2x + 4y - 20 = 0, find: (a)   The center (h, k) and the radius (b)   Draw the graph of the circle and identify the intercepts, if any.

Q: 31° B m 71° 38° D C Solve for m.

A: To find angle m

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A:

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A:

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A: Solution is given below

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A:

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A: given,        x-22+x+52=9

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A: