Question

Which of the following is not a parallelogram- *


Rhombus

square

trapizum

rectangle​

Answer 1

Answer:

the answer is trapizum

Answer 2

$question$

Which of the following is not a parallelogram- *

Rhombus

square

trapizum

rectangle

$solution$

=> Trapezium

$reason$

properties of parallelograms

1) Opposite sides are congruent (AB = DC).

2) Opposite angels are congruent (D = B).

3) Consecutive angles are supplementary (A + D = 180°).

4) If one angle is right, then all angles are right.

5) The diagonals of a parallelogram bisect each other.

6)Each diagonal of a parallelogram separates it into two congruent triangles.

properties of trapezium

1) Angle: The sum of angles in a trapezoid-like other quadrilateral is 360°. So in a trapezoid ABCD, ∠A+∠B+∠C+∠D = 360°.

2) Two angles on the same side are supplementary, that is the sum of the angles of two adjacent sides is equal to 180°.

3) Its diagonals bisect with each other.

4) The length of the mid-segment is equal to 1/2 the sum of the bases. In the above figure mid-segment= 1/2 (AB+CD)

5) In special cases of the isosceles trapezium, legs of the trapezium are congruent to each other. This means that despite being non-parallel, the measurement of both the legs is equal.

Therefore trapezium is not a parallelogram ✅

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