Step-by-step explanation:

Perimeter = namely the length of outside bordering,
well, this is a PENTAgon, or PENTA=5 or namely 5 sides, is regular so each side is the same length, so we have a polygon with 5 sides each measuring 40cm, well, its perimeter is just 40+40+40+40+40 = 200.
Answer:

Step-by-step explanation:
d or c________________________
Step-by-step explanation:
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If you have snap you can use that just hold down on screen your problem