Area Problems
If the area of a semi-circle be 77 sq m, find its perimeter.

42 m
54 m
48 m
36 m

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Area Problems
If the area of an equilateral triangle is x and its perimeter is y, then which one of the following is correct?

None of these
y4 = 216 x2
y2 = 432 x2
y4 = 432 x2

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