To find the perimeter, add up the lengths of all the sides:
Perimeter = 42cm + 42cm + 11cm + 11cm + 9cm + 10cm + 15cm
Perimeter = 140 cm
So, the perimeter of the shape is 140 cm.
Find the perimeter of the shape made up of rectangles and squares.
42 cm
42 cm
11 cm
11 cm
9 cm
10 cm
15 cm
1 answer
1 answer