Here POR is a line. The value of a will be:
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POR is a line
Angle POQ + Angle QOR = 180° ( Linear pair)
(3a+ 5)° + (2a-25)° = 180°
3a + 5 + 2a - 25 = 180°
5a - 20 = 180°
5a = 180° + 20
5a = 200°
a = 200°/ 5
a = 40°
Answered by
1
Answer:
The answer is
3a+5 = 125•
2a-25= 55•
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