shaniafuller29
18.03.2020 •
Mathematics
A square calendar has sides that are 20 Inches long. What is the calendar's perimeter?
inches
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Ответ:
80 in.
Step-by-step explanation:
to find the perimeter of a shape you add all of the side lengths together
20+20+20+20
Ответ:
u can find the polygon by using the formula:
1/2×perimeter or,
ap (apothem p=perimeter)/2