Question

In a quadrilateral ABCD, angle A+ angle B=180°. Does this mean AB ll DC? why? What special name does this quadrilateral have? ​

Answer 1

Answer:

yes

Explanation:

As angle a+ angle b is 180°

It is liner pair

In quadrilateral,

Sum of all angles is 360°

If angle a + b is 180°

Then angle c + d is also 180°

So it means AB || to DC

Special names of these quadrilateral is

* square

*rectangle

*parallelogram

*rhombus