Page 17 - NUMINO Challenge_A2
P. 17
Perimeter of Concave Polygons

Type Study To find the perimeter of the figure below, which side do you need to
find?

A DE
F
5 cm G
C H
B
10 cm

1 Move the sides to make a rectangle that is 10 cm long and 5 cm wide.
Mark the sides that are not moved.

A DE
F
5 cm G
C H
B
10 cm

2 To find the perimeter of the figure, which side do you need to find?

14 NUMINO Challenge A2
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