, 07.10.2020ella9288

# Calculate the perimeter of this shape: 19cm and 10cm given.

The perimeter of this shape is actually the same of a rectangle with sides 19 and 10.

See the attached picture: the perimeter of our shape is

Whereas the perimeter of the outer rectangle would be

So, as you can see, the only difference is that the first equation features , while the other features . This is not a problem, because is a rectangle, and thus we have and .

So, the two perimeters are actually the same:

The answer is 58. I got this question and got the answer right.

Step-by-step explanation:

Have a great day

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