Area Problems
The three sides of a triangle are 15, 25 and x units. Which one of the following is correct?

10? x ? 40
10
10 ? x
10

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Area Problems
The length of the diagonal of a rhombus is 80% of the length of the other diagonal, Then the area of the rhombus is how many times the square of the length of the longer diagonal?

3/4
2/5
4/5
1/4

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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?

30 unit
20 unit
24 unit
40 unit

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