mekaylaroyal13 mekaylaroyal13
  • 01-06-2017
  • Mathematics
contestada

Angle CBD has a measure of 140°. What is the measure of angle ABD? 40° 50° 60° 70°

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mwcheermom
mwcheermom mwcheermom
  • 01-06-2017
The measure of ABD is 40
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calculista
calculista calculista
  • 27-01-2019

Answer:

The measure of angle ABD is [tex]40\°[/tex]

Step-by-step explanation:

we know that

[tex]m<CBD+m<ABD=180\°[/tex] -----> by supplementary angles

see the attached figure to better understand the problem

we have

[tex]m<CBD=140\°[/tex]

substitute and solve for the angle ABD

[tex]140\°+m<ABD=180\°[/tex]

[tex]m<ABD=180\°-140\°=40\°[/tex]


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