a) The expression for perimeter of rectangle is 4x+34.
b) The expression for area of rectangle is 24x+60.
Step-by-step explanation:
Given figure is a rectangle;
Length of rectangle = 12
Width of rectangle = (x+5)+x = 2x+5
a) Perimeter of model
Perimeter of rectangle = 2(Length + Width)
Perimeter of rectangle = 
Perimeter of rectangle = 
Perimeter of rectangle = 4x+34
The expression for perimeter of rectangle is 4x+34.
b) Total area of rectangle
Area of rectangle = Length * Width
Area of rectangle = 
Area of rectangle = 24x+60
The expression for area of rectangle is 24x+60.
Keywords: area, rectangle
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