gabrieladriancaldero
gabrieladriancaldero gabrieladriancaldero
  • 20-06-2020
  • Mathematics
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I need help with this question

I need help with this question class=

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devishri1977
devishri1977 devishri1977
  • 20-06-2020

Answer:

∠ABD  = 20

Step-by-step explanation:

BD is the angle bisector, ∠ABD = ∠CBD  

∠ABD + ∠CBD = 40

∠ABD  + ∠ABD  = 40

2∠ABD  = 40

∠ABD  = 40/2

∠ABD  = 20

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