In Fig. 7.8, `O A\ =\ O B``a n d\ O D\ =\ O C`. Show that(i) `( i i ) (iii)DeltaA O D~=DeltaB O C (iv)`(v) and (ii) `( v i ) (vii) A D\ ||\ B C (viii)`(ix)

In Fig. 7.8, O A\ =\ O B a n d\ O D\ =\ O C . Show that (i) DeltaA O D~=DeltaB O C and (ii) A D\ ||\ B C

In Figure, O is the mid point of A B and C D . Prove that (i) A O C~= B O D (ii) AC=BD

In Fig.39, A O=O B and /_A=/_B . (i) Is DeltaA O C~=DeltaB O D ? (ii) State the matching pair you have used, which is not given in the question. (iii) Is it true to say that /_A C O=/_B D O ?

ABCD is a quadrilateral in which and /_D A B\ =/_C B A (see Fig. 7.17). Prove that (i) DeltaA B D~=DeltaB A C (ii) B D\ =\ A C (iii) /_A B D\ =/_B A C

ABCD is a quadrilateral in which and /_D A B\ =/_C B A (see Fig. 7.17). Prove that (i) DeltaA B D~=DeltaB A C (ii) B D\ =\ A C (iii) /_A B D\ =/_B A C

In Figure, given that /_A O C=/_A C O\ a n d\ /_B O D=/_B D O . Prove that A C||D B

In Fig. 8,\ /_A O C\ a n d\ /_B O C form a linear pair. Determine the value of xdot

In Figure altitudes AD and CE of A B C intersect each other at the point P. Show that:(i) DeltaA E P~ DeltaC D P (ii) DeltaA B D ~DeltaC B E (iii) DeltaA E P~ DeltaA D B (iv) DeltaP D C ~DeltaB E C

In Figure, diagonals AC and BD of quadrilateral ABCD intersect at O such that O B = O D . If A B = C D , then show that: (i) a r /_\(D O C) = a r /_\(A O B) (ii) a r /_\(D C B) = a r /_\(A C B) (iii) D A || CB

A B C D is a trapezium in which AB is parallel to CD . The diagonals A C and B D intersect at O . Prove that (i) A O B ~ C O D (ii) If O A=6c m , O C=8c m , Find: (A r e a\ ( A O B))/(A r e a\ ( C O D)) (b) (A r e a\ ( A O D))/(A r e a\ ( C O D))