Math, asked by gmkraj11, 8 months ago

In the figure, PQR is a line then find a

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Answered by ankushpachpund99

0

Answer:

3a+5+2a-25=180........angles in linear pair

3a+2a+5-25=180

5a+(-20)=180

5a=180+20

5a=200

a=200÷5

a=40

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