Answer:
13
Step-by-step explanation:
Diagonals of a rhombus are perpendicular bisector.
Hence, triangle ABE so formed would be a right triangle right angled at E.
Therefore, by Pythagoras theorem:
b
77
HAV A GREAT DAY hope this helps
here is the answer
you may please search it
It is an acute triangle because all the angles are less than 90 degrees.