Answer:
perimeter is 44cm
Explanation:
We've learnt that perimeter equals the sum of all sides;
1) Make a list of your data:
Width is 10cm
Length is 12cm
2) Write the formula down and solve:
Perimeter = Length + width + length + width
P= 10+12+10+12
P=22+22
P= 44
Therefore the perimeter is 44cm