Question

need help finding the area of triangle

Answer 1

Answer:

area of triangle =190.73 cm²

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

2Πr=66

r=21/2

side of triangle=2r=21

area of equilateral triangle= $\sqrt{3}$×$a^{2}$/4

                                      = 145.09

{$\sqrt{3}$==1.73}

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