Answer:

Step-by-step explanation:


Answer:
Therefore the value of EC is 13 unit.
Step-by-step explanation:
Given:
ABCD is a Rectangle
EC = 6x + 1
AE = x +11
To Find:
EC = ?
Solution:
ABCD is a Rectangle .........Given
Diagonal of Rectangle Bisect each other. .......Property of Rectangle

Substituting the values we get'

Substituting 'x' in EC we get

Therefore the value of EC is 13 unit.
Answer:
(X-6) √x^2+2x-15 \ x^2 +2x - 15