In a parallelogram ABCD, the diagonals bisect each other at O. If ∠A

1.	In a parallelogram ABCD, the diagonals bisect each other at O. If ∠ABC=30∘,∠BDC=10∘and∠CAB=70∘. Find: ∠DAB,∠ADC,∠BCD,∠AOD,∠DOC,∠BOC,∠AOB,∠ACD,∠CAB,∠ADB,∠ACB,∠DBC and ∠DBA.
Answer» In a parallelogram ABCD, the diagonals bisect each other at O. If $∠ A B C = 30^{\circ}, ∠ B D C = 10^{\circ} a n d ∠ C A B = 70^{\circ}$ . Find: $∠ D A B, ∠ A D C, ∠ B C D, ∠ A O D, ∠ D O C, ∠ B O C, ∠ A O B, ∠ A C D, ∠ C A B, ∠ A D B, ∠ A C B, ∠ D B C a n d ∠ D B A$ .

In a parallelogram ABCD, the diagonals bisect each other at O. If ∠ABC=30∘,∠BDC=10∘and∠CAB=70∘. Find: ∠DAB,∠ADC,∠BCD,∠AOD,∠DOC,∠BOC,∠AOB,∠ACD,∠CAB,∠ADB,∠ACB,∠DBC and ∠DBA.

Answer»

In a parallelogram ABCD, the diagonals bisect each other at O. If $∠ A B C = 30^{\circ}, ∠ B D C = 10^{\circ} a n d ∠ C A B = 70^{\circ}$ .

Find: $∠ D A B, ∠ A D C, ∠ B C D, ∠ A O D, ∠ D O C, ∠ B O C, ∠ A O B, ∠ A C D, ∠ C A B, ∠ A D B, ∠ A C B, ∠ D B C a n d ∠ D B A$ .