Area Problems
The area of rectangle whose length is 5 more than twice its width is 75 sq units. What is the perimeter of the rectangle?

24 unit
40 unit
20 unit
30 unit

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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?

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

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