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24 Jul 2020, 03:07
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
52% (01:23) correct
48%
(01:22)
wrong
based on 81
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Diagonal BD divides quadrilateral ABCD into two triangles. Are these triangles congruent?
(1) AD || BC
(2) AB = CD
Are You Up For the Challenge: 700 Level Questions
(1) AD || BC
(2) AB = CD
Are You Up For the Challenge: 700 Level Questions
yashikaaggarwal
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24 Jul 2020, 03:17
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Statement 1: AD || BC
There is no infortabout other two sides whether they are equal.(Rectangle, parallelogram or square) Extended outside (Trapezoid) Bend inside(Rhombus) All possible quadrilateral will have different congruent triangles. (Insufficient)
Statement 2: AB=CD
It's a square.? Rectangle? Parallelogram, rhombus? Or any disfigured quadrilateral. There are many option to select from (Insufficient)
Combining both: we still don't have one quadrilateral shape to analyze the triangle congruency. (Insufficient)
IMO E
Posted from my mobile device
There is no infortabout other two sides whether they are equal.(Rectangle, parallelogram or square) Extended outside (Trapezoid) Bend inside(Rhombus) All possible quadrilateral will have different congruent triangles. (Insufficient)
Statement 2: AB=CD
It's a square.? Rectangle? Parallelogram, rhombus? Or any disfigured quadrilateral. There are many option to select from (Insufficient)
Combining both: we still don't have one quadrilateral shape to analyze the triangle congruency. (Insufficient)
IMO E
Posted from my mobile device
24 Jul 2020, 03:54
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Attachment:
Untitled.png [ 5.56 KiB | Viewed 2100 times ]
Both cases satisfy the given statements, but give different answers.
In case of isosceles trapezium, triangles won't be congruent
In case of rectangle, triangles will be congruent
E
Bunuel
