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Answer:
I think your answer is
80
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Hello Dear
Answer 1
120 + S = 180 ( Linear pair )
120 + S = 180
S = 180 - 120
S = 60
75 + P = 180 ( linear pair )
75 + P = 180
P = 180 - 75
P = 105
75 + Q = 180 ( Linear pair )
75 + Q = 180
Q = 180 - 75
Q = 105
90 + R = 180 ( linear pair )
90 + R = 180
R = 180 - 90
R = 90
Sum of all digits
60 + 105 + 105 + 90
= 360
Answer 2
The sum of interior angle of Pentagon = 540
90 + 90 + X = 540
180 + X = 540
X = 540 - 180
= 360
The sum of exterior angle of Pentagon = 108
40 + 60 + X = 108
100 + X = 108
X = 108 - 100
= 8
Sum of all digits
360 + 8
= 368
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