REVISION CLASS 9TH

In

 $\Delta ABC\ \cong\Delta PQR\$  and  $\Delta ABC\$  is not congruent to  $\Delta\ RPQ,\$  then which of the following is not true ?

• BC = PQ

• AC = PR 

• QR = BC

• AB = PQ

which of the following is not a criteria for congruent of triangles ?

• SAS

• ASA

• SSA

• SSS

If AB = QR, BC = PR and CA = PQ, then

• $\Delta\ ABC\ \cong\Delta PQR$

• $\Delta\ CBA\ \cong\Delta\ PRQ$

• $\Delta\ BAC\ \cong\ \Delta\ RPQ$

• $\Delta\ PQR\ \cong\Delta\ BCA$

In

 $\Delta\ ABC,\$  AB = AC and  $\angle$ B =  $50\degree$  , then  $\angle C\ =\$  ?

•  $40\degree$  

•  $50\degree$  

•  $80\degree$  

•  $130\degree$  

In $\Delta\ PQR,\ \angle R\ =\ \angle P$  and QR = 4 cm and PR = 5 cm, Then the length of PQ is 

• 4 cm

• 5 cm

• 2 cm

• 2.5 cm

It is given that $\Delta\ ABC\ \cong\ \Delta\ FDE\$  and AB = 5 cm ,  $\angle\ B\ =\ 40\degree$ 

and  $\angle A\ =\ 80\degree$  , then which of the following is true ?

•   $DF\ =\ 5\ cm,\ \angle F\ =\ 60\degree$  

•  $DF\ =\ 5\ cm,\ \angle E\ =\ 60\degree$  

•  $DE\ =\ 5\ cm,\ \angle E\ =\ 60\degree$  

•  $DE\ =\ 5\ cm,\ \angle D\ =\ 40\degree$  

In given figure, AC bisects  $\angle A\ and\ \angle C$  . If AD = 5 cm, then find AB

• 5 cm

• 3 cm

• 4 cm

• none of these 

In the given figure,  $\Delta\ AOB\ \cong\ \Delta COB\$  by .......congruence

• AAS

• SAS

• RHS

• SSS

In given figure, if AB = BC and  $\angle A\ =\ \angle C$  , Then find the value of x

•  $55\degree$  

•  $75\degree$  

•  $105\degree$  

•  $85\degree$  

It is given that $\Delta\ ABC\ \cong\ \Delta\ FDE\$ and AB = 5 cm , $\angle\ B\ =\ 40\degree$

and $\angle A\ =\ 80\degree$ , then which of the following is true ?

• $DF\ =\ 5\ cm,\ \angle F\ =\ 60\degree$

• $DF\ =\ 5\ cm,\ \angle E\ =\ 60\degree$

• $DE\ =\ 5\ cm,\ \angle E\ =\ 60\degree$

• $DE\ =\ 5\ cm,\ \angle D\ =\ 40\degree$