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
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