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Subject :IMO    Class : Class 8

Which of the following statements is CORRECT?

A The diagonals of a parallelogram are equal.
B The diagonals of a rectangle are perpendicular to each other.
C If the diagonals of a quadrilateral intersect at right angles, it is not necessarily a rhombus.
D Every quadrilateral is either a trapezium or a parallelogram or a kite.


What is the correct answer for this?

Ans 1:

Class : Class 8
c

Ans 2:

Class : Class 8
@abin jose i agree

Ans 3:

Class : Class 9
First option is wrong because a parallelogram is not always necessary to be a square or a rectangle ,as they only have diagonals equal. Second option is wrong because rectangle does not follow this property which can be checked by using SAS congruence criteria. Third option is wrong because if the diagonals of a quadrilateral intersect at right angles then it is necessarily a rhombus, if u are thinking that square also have this property then add up a point that every square is a rhombus. Fourth option is wrong because every quadrilateral is not necessarily be a trapezium, a parallelogram or a kite as concave quadrilaterals are none of them.

Ans 4:

Class : Class 9
Raunak Pandey yr answer is wrong , diagonals of a rectangle are not perpendicular

Ans 5:

Class : Class 9
I feel all options are wrong

Ans 6:

Class : Class 9
2nd option

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