(i) If A:B=2:3,B:C=4:5,C:D=6:7 FIND A:D

(a) If A : B = 3 : 4 and B : C = 6 : 7 , find : (i) A : B : C (ii) A : C (b) If A : B = 2 : 5 and A : C = 3 : 4 , find : A : B : C .

If a: b= 2: 3, b: c= 4: 5 and c: d= 6: 7 , find : a: b: c:d .

In a /_\ A B C , A D is the bisector of /_A , meeting side B C at D . (i) If AB=10 cm , AC=14 cm and BC=6cm , find B D and D C (ii) If A C=4. 2 c m , D C=6c m and B C=10 c m , find A B . (iii) If A B=5. 6 c m , A C=6c m and D C=3c m , find B C .

If a:b=3:5 and b:c=6:7 ,find a:b:c

In a /_\ A B C , A D is the bisector of /_A , meeting side B C at D . (i) If B D=2. 5 c m ,\ \ A B=5c m and A C=4. 2 c m , find D C . (ii) If B D=2c m ,\ \ A B=5c m and D C=3c m , find A C . (iii) If A B=3. 5 c m , A C=4. 2 c m and D C=2. 8 c m , find B D .

Find the area of the quadrilateral A B C D , in which A B=7c m ,B C=6c m ,C D=12 c m ,D A=15 cm and A C=9 cm

If A = {1,2,3,4}, B = {3,4,5,6}, C={5,6,7,8} and D= {7,8,9,10} , find : (i) A cup B (ii) A cup C (c) B cup C (iv) B cup D (v) A cup B cup C (vi) A cup B cup D (vii) B cup C cup D .

Construct a quadrilateral A B C D in which A B=2. 7 c m ,\ B C=3. 5 c m ,\ C D=4c m ,\ A D=6c m\ a n d\ /_B=90^0dot

In a A B C , A D is the bisector of /_A , meeting side B C at D . If A D=5. 6 c m , B C=6c m and B D=3. 2 c m , find A C . (ii) If A B=10 c m , A C=6c m and B C=12 c m , find B D and D C .

Construct a quadrilateral A B C D in which A B=4. 4\ c m ,\ B C=4c m ,\ C D=6. 4 c m ,\ D A=3. 8 c m\ a n d\ B D=6. 6 c mdot