Area Problems
Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is?

x
4x
x/2
2x

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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?

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

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Area Problems
A person observed that he required 30 s time to cross a circular ground along its diameter than to cover it once along the boundary. If his speed was 30m/min, than the radius of the circular ground is (take ? = 22/7)

10.5 m
3.5 m
7.5 m
5.5 m

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