Answer:
15.4 mm
Explanation:
for semi circle is = (3.14× d )/2
for square = L + L + L +L
d = 6mm
L = 2mm
so
( 3.14 × 6)/2
+
2 × 3mm .. three sides only
= 15.4 mm
6+2+2=10 For perimeter you need to add all sides
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