lisa989
lisa989
22-05-2022
Mathematics
contestada
How to do this...(⊙o⊙)?
Respuesta :
blackshades
blackshades
22-05-2022
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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