Question

4. Fill in the blanks:
(a) A quadrilateral has
sides and
diagonals.
(b) Two sides of a quadrilateral are said to be
if they have a common endpoint.
(c) A quadrilateral has
pairs of opposite angles.
(d) A quadrilateral divides the plane of paper into
parts.​

Answer 1

Answer:

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Step-by-step explanation:

kuchh per kuchh Bata sakta hun

Answer 2

Step-by-step explanation:

A- Square (regular quadrilateral): all four sides are of equal length (equilateral), and all four angles are right angles. An equivalent condition is that opposite sides are parallel (a square is a parallelogram), and that the diagonals perpendicularly bisect each other and are of equal length.

B- Adjacent sides two sides of a quadrilateral are called its adjacent sides if they have a common endpoint. Opposite sides two sides of a quadrilateral are called its opposite sides if they do not have a common endpoint.