mamouteing
mamouteing
22-03-2021
Mathematics
contestada
Hey can someone help me?
Respuesta :
Аноним
Аноним
22-03-2021
Answer:
31.79 cm^2
Explanation:
Area of a semi circle = 1/2(pi • r^2).
1/2(3.14 • 4.5^2)
1/2(3.14•20.25)
1/2 • 63.59
31.79
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