Mathematics, 08.08.2019 03:10 182075

If lr = 12 and lp = 7, find pr. explain.
o pr = 19 because 12 + 7 = 19 according to the addition property of equality.
o pr = 5 because 12 - 7 = 5 according to the subtraction property of equality.
o pr = 19 because lr + lp = pr according to the segment addition postulate, and 12 + 7 = 19 using substitution.
o pr = 5 because lp + pr = lr according to the segment addition postulate, and 7 + 5 = 12 using substitution.

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