taisha9716 taisha9716
  • 23-05-2019
  • Mathematics
contestada

If m DFC = 40° and m
d = 55°, then mBG=

If m DFC 40 and m d 55 then mBG class=

Respuesta :

calculista
calculista calculista
  • 01-06-2019

Answer:

The measure of arc BG is 25°

Step-by-step explanation:

we know that

The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite.

so

m∠DFC=(1/2)[arc CD+arc BG]

we have

m∠DFC=40°

arc CD=55°

substitute and solve for arc BG

40°=(1/2)[55°+arc BG]

80°=[55°+arc BG]

arc BG=80°-55°=25°

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xbsnxisjdnd xbsnxisjdnd
  • 13-04-2020

Answer:

The measure of arc BG is 25°

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