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17-12-2020
Mathematics

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17-12-2020

Answer:

∠XYQ=122

Step-by-step explanation:

Sum of angles on a straight line=180 degrees

10a+2+5a-2=180

15a=180

a=12

Substitute "a" into ∠XYQ.

10a+2=

10*12+2=

120+2

122 degrees

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