Answer:
Angle ABC is bisected by BD
BC =Half AC
2 mangle DBC =mangle ABC
we know that
"Bisect" means to divide into two equal parts
so
If the ray CE is the angle bisector of ADC
then


so


therefore
<u>the answer is the option</u>

or

It’s D that is the answer
Answer:
13.92
Step-by-step explanation: