Area Problems
The diagonal of a rectangle is √41 cm and its area is 20 sq. cm. The perimeter of the rectangle must be:

18 cm
9 cm
20 cm
41 cm

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Area Problems
The lengths of three line segments (in cm) are given in each of the four cases. Which one of the following cases is not suitable to be the three sides of a triangle?

2, 3, 5
3, 4, 5
2, 4, 5
2, 3, 4

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