If A B C D E F such that D E=3c m , E...

If ` A B C D E F` such that `D E=3c m` , `E F=2c m` , `D F=2. 5 c m` , `B C=4c m` , then perimeter of ` A B C` is (a) 18cm (b) 20cm (c) 12cm (d) 15cm

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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 .

A B C D E F , a r( A B C)=9c m^2 , a r( D E F)=16 c m^2 . If B C=2. 1 c m , then the measure of E F is 2. 8 c m (b) 4. 2 c m (c) 2. 5 c m (d) 4. 1 c m

In an isosceles triangle A B C , if A B=A C=25 c m and B C=14 c m , then the measure of altitude from A on B C is (a) 20cm (b) 22cm (c) 18cm (d) 24cm

In Fig. 10.98, a circle touches the side D F of E D F at H and touches E D and E F produced at K and M respectively. If E K=9c m , then the perimeter of E D F is (FIGURE) (a) 18cm (b) 13.5cm (c) 12cm (d) 9cm

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In Fig. 10.97, the sides A B ,\ B C and C A of triangle A B C , touch a circle at P ,\ Q and R respectively. If P A=4c m , B P=3c m and A C=11 c m , then length of B C is (FIGURE) (a) 11cm (b) 10cm (c) 14cm (d) 15cm

A B C D is a trapezium in which A B D Cdot If a r( A B D)=24\ c m^2a n d\ A B=8\ c m , then height of A B C is 3 cm (b) 4 cm (c) 6 cm (d) 8 cm

In Fig.42, A B C D is a parallelogram in which A D=21\ c m ,\ D H=18\ c m and D K=27\ c mdot The perimeter of the parallelogram is 105 cm (b) 84.5 cm 169 cm (d) 52.5 cm

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

If A B C and D E F are two triangles such that (A B)/(D E)=(B C)/(E F)=(C A)/(F D)=2/5 , then A r e a( A B C): A r e a( D E F)= 2:5 (b) 4: 25 (c) 4: 15 (d) 8: 125

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