Question

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Answer 1

Answer:

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Answer 2

Answer:

1 part

In concave quadrilaterals one diagonal lies within the quadrilateral and the outside the figure and they do not intersect so there is no question of their intersecting or bisecting each other.

Step-by-step explanation:

part 2 rhombus

part 3 trapezium

part 4  A parallelogram is a quadrilateral whose opposite sides are parallel. The opposite angles of a parallelogram are equal. The opposite sides of a parallelogram are equal.

part 5 parallalogram