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Verified Answer :

  1. \(A= \frac{ah_a}{2},P=a+b+c\)
    2. \(A= \frac{r^2\pi\alpha}{360^o}\)
    3. \(l= \frac{r\pi\alpha}{180^o}\)
    4. \(A=ab,P=2(a+b)\)
    5. \(C=2r\pi\)
    6. \(A=r^2\pi\)
    7. \(P=na,S_n=(n-2)180^o,\alpha= \frac{S_n}{n}\)
    8. \(P=3a,A= \frac{a^2\sqrt{3}}{4}\)
julievalentine05

Answer:

A= 1/4 s2 sqrt3 -- equilateral triangle

A= bh -- rectangle

A= Pi r2 -- circle area

A= 1/2 h (b1 + b2) -- trapezoid

C= Pi d -- circle circumference

A= base x altitude -- parallelogram

A= 1/2 ap -- regular polygon

A= 1/2 bh -- triangle

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