emoreno0137
emoreno0137
10-11-2020
Mathematics
contestada
help with this pleaseeee
Respuesta :
yanni731
yanni731
10-11-2020
The measure of angle ABC is equal to ABD + CBD. If you have the measure of ABC and CBD, then you can subtract CBD from ABC to get the measure of ABD. Proof below:
ABC = ABD + CBD
subtract CBD from both sides
ABC - CBD = ABD
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