Answer:
<em>The perimeter of the green cross is 32 cm</em>
Step-by-step explanation:
<u>Perimeter</u>
It's the sum of all the external side lengths of a given shape.
The green cross formed by two rectangles is shown in the figure below.
We have outlined the dimensions of the external sides of the resulting cross.
Note there are four corners of 2 cm by 2 cm and four sides of 4 cm each.
The total perimeter is:
8 * 2 cm + 4 * 4 cm = 16 cm + 16 cm = 32 cm
The perimeter of the green cross is 32 cm
Product of
is 
Step-by-step explanation:
We need to find the product of 
Finding product:
Multiplying both terms:

So, product of
is 
Keywords: Product of polynomials
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Answer:

Step-by-step explanation:

Dividing by 0.2 is the same as multiplying by 5. Check your calculator if you don't believe me.