In a parallelogram `A B C D` , write the sum of angle `A\ a n d\ B`

In a parallelogram A B C D , determine the sum of angles /_C\ a n d\ /_D

In a parallelogram ABCD ,determine the sum of angles /_C and /_D

In a parallelogram A B C D , the bisectors of /_A\ a n d\ /_B meet at Odot Find /_A O Bdot

In a parallelogram A B C D , prove that sum of any two consecutive angles is 180^0dot

In a quadrilateral A B C D , bisectors of angles A\ a n d\ B intersect at O such that /_A O B=75^0, then write the value of /_C+\ /_D

In a quadrilateral A B C D , bisectors of angles A\ a n d\ B intersect at O such that /_A O B=75^0, then write the value of /_C+\ /_D

If vec aa n d vec b represent two adjacent sides vec A Ba n d vec B C respectively of a parallelogram A B C D , then show that its diagonals vec A Ca n d vec D B are equal to vec a+ vec b and vec a- vec b respectively.

In parallelogram ABCD, find angle B, angle C and angle D.

In a parallelogram A B C D , if /_D=115^0, then write the measure of /_A

In a parallelogram A B C D , if /_D=115^0, then write the measure of /_A