Answer:
60 cm
Step-by-step explanation:
perimeter of big rectangle- 13+13+25+25=76cm
perimeter of smaller rectangle- need to find the width so do 14.6+8.7=23.3
25-23.3=1.7
width of smaller rectangle=1.7
perimeter of smaller rectangle= 1.7+1.7+6.3+6.3=16
Perimeter of the shape= 76-16=60 cm
