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23-04-2021
Mathematics

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Find the area (in square centimeters) of a regular pentagon

Find the area in square centimeters of a regular pentagon class=

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Аноним Аноним

23-04-2021

Answer:

Given

apothegm [a]=3.2cm

since Pentagon has 5 equal side

perimeter [P]=5×4.6=23cm

now

Area of regular pentagon

A=1/2 aP=1/2×3.2×23=36.8cm²

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