EASY
9th CBSE
IMPORTANT
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In ABC, if A=90°, which is the longest side?

Important Questions on Congruence of Triangles and Inequalities in a Triangle

EASY
9th CBSE
IMPORTANT

In ABC, if A=B=45°, name the longest side.

EASY
9th CBSE
IMPORTANT
In ABC, A=100o and C=50o. Which is its shortest side?
HARD
9th CBSE
IMPORTANT

 In ABC, side AB is produced to D such that BD=BC. If A=70o and B=60o, prove that AD>CD.

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HARD
9th CBSE
IMPORTANT

 In ABC, side AB is produced to D such that BD=BC. If A=70o and B=60o, prove that AD>AC.

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MEDIUM
9th CBSE
IMPORTANT

In the given figure, B<A and C<D. Show that AD<BC.

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MEDIUM
9th CBSE
IMPORTANT

AB and CD are respectively the smallest and largest sides of a quadrilateral ABCD. Show that A>C and B>D.

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MEDIUM
9th CBSE
IMPORTANT

In a quadrilateral ABCD, show that (AB+BC+CD+DA)>(AC+BD).

 

MEDIUM
9th CBSE
IMPORTANT

In a quadrilateral ABCD, show that (AB+BC+CD+DA)<2 (BD+AC).