Answer:
I could be wrong but I think its the third one
Step-by-step explanation:
Answer:
you need more info
Step-by-step explanation:
Answer:
Attach the graph options so i can help...
Step-by-step explanation:
∠BDC=30, so ∠CBD + ∠BCD=180-30=150
ΔDBC is isosceles, so ∠CBD=∠BCD=half of 150=75
∠ABC=∠ABD-∠CBD=155-75=80
ΔABC is isosceles, so ∠ABC=∠ACB=80
∠BAC=180-80-80=20
10. After all the Pythagorean theorem the answer is 51.7215 cm