Question

1-A____has all it's sides equal and angles equal to 90 degree.
2-which quadrilateral have two pairs of adjacent sides equal and it's diagonal intersects at 90 degree.
3-if AB and CD are two parallel sides of a parallelogram then what is the relation between AB and CD.​

Answer 1

Answer:

1. square

2. rhombus

3. equal

Answer 2

Answer:

1 right angular triangle

2 rhombus

3. they are extended to infinity, are equally far from each other at any point