Answer:
= -3
Step-by-step explanation:

<h3>
step by step explanation </h3>
● area of regular polygon Formulas ,
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● now finding the area of regular polygon,
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Hope it's helps you
Answer:-9/2 or -4.
5
Step-by-step explanation:
Step-by-step explanation:
7.50= (1 + x/100 ) × 5.50
7.50/ 5.50 = 1+x/100
x/100 = 0.36
x= 36.36%