$1.$A rectangle has a width of $44$ centimeters and a perimeter of $196$ centimeters. What is the rectangle's length? The length is cm

$2.$ Two sides of a triangle have the same length. The third side measures $4m$ less than twice the common length. The perimeter of the triangle is $20m.$ What are the lengths of the three sides?

What is the length of the two sides that have the same length?