clairepandama clairepandama
  • 22-11-2020
  • Mathematics
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PLEAASE HELPPP whoever solves this will mark brainliest

PLEAASE HELPPP whoever solves this will mark brainliest class=

Respuesta :

s1m1
s1m1 s1m1
  • 22-11-2020

Answer:

12

Step-by-step explanation:

Perimeter of ΔABC = 12+ perimeter of ΔACD

Perimeter of ΔABC= AC+CB+BA

Perimeter of ΔACD=AC+CD+DA

But, CB=CD +DB

DA ≅DB since there is a ⊥bisector trough D and

Therefore,

Perimeter of ΔABC= (AC+CD+DA)+BA = Perimeter of ΔACD +12 therefore AB=12

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