Question

In the adjoining figure ABCD is a parallelogram a and b e are angle bisectors of angle a and Angle b respectively point show that angle abc equal 90

Answer 1

Answer:

$a90 |((y216 - - \times + {?}^{) { { {)0 { { { { { {( {( { { { { { { { { {y {y55663132}^{?} }^{?} }^{?} }^{?} }^{?} \times \frac{?}{154454454461.6666555 + 4444722722737} \times \frac{?}{?} }^{?} }^{?} }^{?} }^{?} }^{?} }^{?} \times \frac{?}{?} }^{?} }^{?} }^{?} }^{?} }^{?} }^{?} }^{?} }^{?} }^{?} } |$