Write your answers in unit squares and units.
P =
The perimeter of the lake is
.
P =
(cm)
P :
=
=
(cm)
+
Its perimeter is
long.
P =
(m)
P :
=
=
(m)
+
Its perimeter is
long.
=
=
=
mm² =
cm²
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Do the drawing in your exercise book.