Scholarship Exam Preparation App
Class 5 - (Math )
Geometry - Perimeter - Triangle, Rectangle, Square, Polygon
If the length of a rectangle is 12 cm and its width is 9 cm, what is its perimeter?
a :
42 cm
b :
40 cm
c :
36 cm
d :
38 cm
Explanation :
Perimeter = 2×(12+9)=42 cm