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Which of the following pairs of trian...

Which of the following pairs of triangles are congruent? If they are congruent, write out the pairs of equal angles. ` A B C : A B=3c m ,\ B C=4c m ,\ C A=2\ c m` ` D E F : D E=2\ c m ,\ E F=3\ c m\ a n d\ F D=4\ c m` ` P Q R : P Q=17\ c m ,\ Q R=15\ c m ,\ P R=18\ c m` ` D E F : D E=18\ c m ,\ E F=17\ c m ,\ D F=15\ c m` .

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Which of the following pairs of triangles are congruent? A B C : A B=2\ c m ,\ A C=4\ c m ,\ /_A=40^0; X Y Z : X Z=Y Z=4,/_Z=40^0 P Q R : P Q=5\ c m ,\ P R=6\ c m ,\ /_P=55^0;\ D E F : D E=6\ c m ,\ E F=5\ c m ,\ /_D=55^0

A B C is such that A B=3c m , B C=2c m and C A=2. 5 c m . If D E F A B C and E F=4c m , then perimeter of D E F is 7. 5 c m (b) 15 c m (c) 22. 5 c m (d) 30 c m .

In A B C and D E F , it is being given that: A B=5c m , B C=4c m and C A=4. 2 c m ; D E=10 c m , E F=8c m and F D=8. 4 c m . If A L_|_B C and D M_|_E F , find A L : D M .

A B C D E F . If B C=3c m , E F=4c m and a r( A B C)=54 c m^2 , then a r( D E F)= 108 c m^2 (b) 96 c m^2 (c) 48 c m^2 (d) 100 c m^2

In Figure, if A C is bisector fo /_B A D such that A B=3\ c m\ a n d\ A C=5\ c m , then C D= 2\ c m (b) 3\ c m (c) 4\ c m (d) 5\ c m

In Fig. 4.144, we have A B C D E F . If A B=6c m , C D=x\ c m , E F=10 c m , B D=4c m and D E=y\ c m , calculate the values of x and y . (FIGURE)

In Figure, A B C D is a parallelogram. If A B=12\ c m ,\ \ A E=7. 5\ c m ,\ C F=15\ c m , then A D= 3 cm (b) 6 cm (c) 8 cm (d) 10.5 cm

In a A B C , D a n d E are points on the sides A B and A C respectively. For each of the following cases show that D E B C : A B=12 c m , A D=8 c m , A E=12 c m a n d A C=18 c m . (ii) A B=5. 6 c m , A D=1. 4 c m , A C=7. 2 c m a n d A E=1. 8 cm

In a A B C ,\ \ D\ a n d\ E are points on the sides A B and A C respectively. For each of the following cases show that D E B C : A B=10. 8 c m ,\ \ B D=4. 5\ c m ,\ \ A C=4. 8 c m\ a n d\ A E=2. 8 c m (ii) A D=5. 7 c m ,\ \ B D=9. 5 c m ,\ \ A E=3. 3 c m\ a n d\ E C=5. 5 c m .

P and Q are points on sides A B and A C respectively of A B C . If A P=3c m , P B=6c m , A Q=5c m and Q C=10 c m , show that B C=3\ P Q .

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  16. Which of the following pairs of triangles are congruent? A B C : ...

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