Question

11) What is the perimeter of the object *
15 mm
7 mm
12 mm
8 mm
42 mm
O
70 mm
65 mm
47 mm

Answer 1

Answer:

$perimeter = 15 + 7 + 8 + (12 - 8) + (15 - 8) + 12 \\ = 53 \: mm$