10-12-2020
Mathematics

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i dont understand pls help plsssssssss

i dont understand pls help plsssssssss class=

Respuesta :

nadia2318116 nadia2318116

11-12-2020

Answer:

m∠CBD=68

Step-by-step explanation:

BA ⊥ BD

m∠ABD=90°

So m∠CBD+m∠ABC=90

(4x+52)+(8x-10)=90

12x=48

x=4

m∠CBD= 4(4)+52

=68

hope this helps

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