Question

I need help with this question

Answer 1

`\sf\\7.5units`

Explanation:

`\sf\\Solution:\\Given:\\\textsf{Area of square = }64units\\or,\ BC^2=64\\or,\ BC=8units`

`\sf\\\textsf{Also we have,}\\\textsf{Perimeter of isosceles triangle =}23units\\or,\ BE+CE+BC=23\\or,\ CE+CE+8=23\ \ \ [BE=CE,\ Given]\\or,\ 2CE=15\\or,\ CE=7.5units`