Question

1.squre is also a parallelogram.give reasons.

2.arectriangle can be thought of as a special parallelogram.give reasons.

3.write the number of faces ,edges, and corners of a tetrahedron.

Answer 1

1)

Square is also a parallelogram because its opposite sides are equal and parallel to each other as well as opposite angles are equal and adjacent angles are supplementary to each other.

2)

Rectangle is also a kind of parallelogram because its opposite sides are equal and parallel to each other as well as opposite angles are equal.

3)

A tetrahedron has 4 faces, 6 edges and 4 vertices (or corners).