AmiahFleur
AmiahFleur
25-05-2022
Mathematics
contestada
please i need someone to help me here
Respuesta :
Аноним
Аноним
25-05-2022
Answer:
See below ~
Step-by-step explanation:
7
∠EOF = 180 - 126
∠EOF = 54°
∠BOF = ∠COE
∠COE = 126°
∠COE = 2∠DOE
∠DOE = 126/2
∠DOE = 63°
∡DEF = ∠DOE + ∠EOF
∡DEF = 63° + 54°
∡DEF = 117°
8
∠DOE = 63°
9
∠BOC = ∠EOF (vertically opposing angles)
∠BOC = 54°
∠BOD = ∠BOC + ∠COD
∠BOD = 54° + 63°
∠BOD = 117°
10
∠BDF (major angle) = ∠BOC + ∠COD + ∠DOE + ∠EOF
∠BDF = 2∠BOC + 2∠COD
∠BDF = 2(54) + 2(63)
∠BDF = 108 + 126
∠BDF = 234°
∡BDF = ∠BDF (major angle)
∡BDF = 234°
11
The 5 radii are :
OB, OC, OD, OE, OF
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