Question

How to do this...(⊙o⊙)?​

Answer 1

Answer:
a = 60°
b = 20°

Explanation:
Adjacent angles in a ||gram are supplementary . So,

2a + a = 180°
3a = 180°
a = 60°

Similarly,
2a + 3b = 180°
2(60) + 3b = 180°
120 + 3b = 180°
3b = 60°
b = 20°

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Hope it helps ⚜