For ΔABD, it is given that side AB is congruent to side CB, that ∠ABD is congruent to ∠CBD. In order to invoke the SAS Postulate, the remaining side(s) fo the triangles must be shown to be congruent. Those sides are BD and BD.
The appropriate choice is ...
... b. BD ≅ BD
Answer:y
=
4
x
2
−
Step-by-step explanation:
Answer:
Below
Always
Sometimes
Never
Answer:A
Step-by-step explanation: In exponents,
a
1
m
√
Hence
B
let the angles be 3k,10k,2k
then 3k+10k+2k=180
15k=180
k=180/15=12
x=10k=10×12=120°