Question

In the following figure AB=DC and AD=BC find the value of x​

Answer 1

Answer:

This ans is 20 cm.I hope i do good

Answer 2

According to question

1. AB=DC

2.AD=BC

and in the question it is given that:

AD=10cm

AB=20cm

and we know that AB=DC

so' DC(X)=20CM

and BC=10cm as AD=BC

as in the given question opposite sides are equal so it is a rectangle.