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14-12-2020
Mathematics

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14-12-2020

Answer:

Q

P R S

Step-by-step explanation:

m(QRS) = 10x - 1; m(RPQ) = 3x + 17; m(PQR) = 2x + 12

(3x+17) + (2x+12) = 10x-1

5x + 29 = 10x - 1

-5x = -30

x = 6

measure of QRS is 10(6) - 1 = 59

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