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The coordinates of triangle RPQ are R(2, -1), P(2, 2), and Q(-2, -1). What is angle P?

3 answers

RQ = 2-(-2) = 4 = Hor. line

RP = (2-(-1) = 3 = Ver. line, downward.

Tan A = RQ/RP = 4/3 = 1.33333
A = 53.1o
A7a
kosomak
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