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yKpoI14uk [10]
4 years ago
13

The length of one side of a regular pentagon is 18.3 cm. What is the perimeter of this pentagon? 

Mathematics
1 answer:
Ket [755]4 years ago
3 0
91.5 is the perimeter. It's just 5a.
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Answer:

Step-by-step explanation:

Angle 5 is opposite to 37 => It's equal to 37.
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Angle 1 and 3 is supplementary to Angle 4, so they are equal to 180-143 = 37 each

Angle 2 is opposite to Angle 4, so it's equal to 143.


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