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प्रश्न
In the given figure if: a = 5/3 right angle, find b
उत्तर
Here, a = `5/3` right angle
= `5/3 xx`90° = 150° a = 150°
Here, a + b = 360°
⇒ 150° + b = 360° (∵a = 150°)
⇒ b = 360° -150°
b = 210°
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