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Solution...
Angle POQ + Angle QOR = 180°
( Linear pair)
2x-30 + 3x + 40 = 180
5x + 10 = 180
5x = 180 - 10
x = 170 ÷ 5
x = 34
Hence,
Angle POQ = 2×34-30 = 38°
and,
Angle QOR = 3 × 34 + 40 = 142°
HOPE THIS WILL HELP YOU.......
Angle POQ + Angle QOR = 180°
( Linear pair)
2x-30 + 3x + 40 = 180
5x + 10 = 180
5x = 180 - 10
x = 170 ÷ 5
x = 34
Hence,
Angle POQ = 2×34-30 = 38°
and,
Angle QOR = 3 × 34 + 40 = 142°
HOPE THIS WILL HELP YOU.......
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