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postnew [5]
2 years ago
5

How to do this...(⊙o⊙)?​

Mathematics
1 answer:
tangare [24]2 years ago
7 0
Answer:
a = 60°
b = 20°

Step-by-step 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°

______
Hope it helps ⚜
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