IF AB=10 UNITS AB= 8 UNITS AC= 12 UNITS ED= 4.5 UNITS IF ANGLE AED= 100 DEGREES WHAT IS THE MEASURE OF ANGLE DEC

3 answers

First, please do not use all capitals. Online it is like SHOUTING. Not only is it rude, but it is harder to understand. Thank you.

It would help if you would proofread you question before posting it.

How can AB = 10 and AB = 8?

It is hard to imagine what ABCDE stand for without seeing the figure.
=252
=252