Question

a). what is the difference between regular and irregular quadrilateral?
b). Differentiate between concave and convex quadrilateral?

please do fast

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Answer 1

Step-by-step explanation:

Convex -- Each interior angle is less than 180° and the two diagonals are inside the closed space of the quadrilateral. Concave -- One interior angle is greater than 180° and one diagonal lies outside the shape.

Answer 2

1) A regular quadrilateral is a quadrilateral with all sides having equal length. An irregular quadrilateral is the opposite of this, so it is a quadrilateral that is not regular.

2) In a convex quadrilateral each angle measures less than 180°. In a concave quadrilateral at least one angle is a reflex angle, i.e., an angle larger than 180.

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