26-03-2020
Mathematics

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equation practice with angle addition

equation practice with angle addition class=

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26-03-2020

Answer:

40 degrees

Step-by-step explanation:

< QPS = 90

<QPR + <RPS = 90

7x - 9 + 4x + 22 = 90

x = 7

So, <QPR = 7*7 - 9 = 40

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