1.28 cm
In four sides there are 7cm so 7cm ×4=28 cm
2.88 cm
in four sides there are 22 cm so 22cm ×4=88cm
3.30 m
10cm + 10 cm = 20cm
5cm+5cm=10 cm
so 20cm+10cm=30 cm
4.36cm
12cm+12cm=24
6cm+6cm=12cm
24cm+12cm=36cm
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Answers & Comments
1.28 cm
In four sides there are 7cm so 7cm ×4=28 cm
2.88 cm
in four sides there are 22 cm so 22cm ×4=88cm
3.30 m
10cm + 10 cm = 20cm
5cm+5cm=10 cm
so 20cm+10cm=30 cm
4.36cm
12cm+12cm=24
6cm+6cm=12cm
24cm+12cm=36cm