naydoo30 naydoo30

12-07-2020
Mathematics

contestada

Determine the measure of ∠DBC. answers: 1) 130° 2) 115° 3) 230° 4) 65°

Determine the measure of DBC answers 1 130 2 115 3 230 4 65 class=

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henryhuangbc henryhuangbc

12-07-2020

Answer:

65 degrees

Step-by-step explanation:

65 degrees

it is 65 because of the vector relationship: 30 + 100 = 130. 130/2=65 degrees

Answer Link

wegnerkolmp2741o wegnerkolmp2741o

12-07-2020

Answer:

115

Step-by-step explanation:

The total circle is 360 degrees. The sum of the arcs of the circle is 360

Arc DC = 360 - Arc CB - Arc BC

DC = 360 -30-100

DC =230

Inscribed Angle =1/2 Intercepted Arc

<DBC = 1/2 CD

<DBC = 1/2 (230)

= 115

Answer Link

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