plz tell full method
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PR is a straight line, So Sum of all angles on PR is 180°
Now, PQS : SQR = 7 : 5 = 7x : 5x .
7x + 5x = 180
12x = 180
x = 15.
Now, Angle PQS = 7(15)=105°
Angle SQR = 5(15) = 75°
Hence, Required option is Option ( D)
Now, PQS : SQR = 7 : 5 = 7x : 5x .
7x + 5x = 180
12x = 180
x = 15.
Now, Angle PQS = 7(15)=105°
Angle SQR = 5(15) = 75°
Hence, Required option is Option ( D)
Answered by
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let 7x+5x=180
12x=180
x=180÷12
x=15
then put valu of x then
5×15=75
so angleSQR is 75 degree
12x=180
x=180÷12
x=15
then put valu of x then
5×15=75
so angleSQR is 75 degree
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