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@LR..liferocks wrote:I think the ans is E.
not enough information is present to calculate the area of triangle.
what is OA?
Statement 1:ern5231 wrote:1) btg a triangle, three sides are x, y, z. Is the area of triangle less than 20?
1> x ^ 2 + y ^ 2 is not equal to z ^ 2
2> x + y <= 13
Off topic:ern5231 wrote:1) btg a triangle, three sides are x, y, z. Is the area of triangle less than 20?
1> x ^ 2 + y ^ 2 is not equal to z ^ 2
2> x + y <= 13
If it were a isosceles right triangle with the right angle opposite the side measuring z units, its area would be (13/2)^2/2 =169/8 > 20. Thus, if the angle opposite the side measuring z units were slightly more than 90º, the area could still be more than 20. Of course, the area could be considerably less than 20 if the other two sides were vastly different in length, so the answer is Eakhp77 wrote:Statement 1:ern5231 wrote:1) btg a triangle, three sides are x, y, z. Is the area of triangle less than 20?
1> x ^ 2 + y ^ 2 is not equal to z ^ 2
2> x + y <= 13
It tells only that one angle is not equal to 90 degree
Not Sufficient
Statement 2:
x + y <= 13
Assume max value
x + y = 13
x = 6.5, y=6.5, z=6.5; Area = 18.294
x = 6, y=7, z=10; Area = 20.662
Not Sufficient
Statement 1 and 2
Stmt 1 does not add anything to stmt 2.
Not Sufficient
Answer E
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