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
Answer:
2.45
Step-by-step explanation:
3.50
3-1= 2
50-15= 45
3.50 -1.15= 2.45
Answer:
root(9/31)
Step-by-step explanation:
Answer: the answer is d sin30degrees equal 5/x because sin is opposite over hyponuese
Answer:
use y2-y1 over x2-x1
Step-by-step explanation: