Question

which of the following is not a quadrilateral
(1) square
(2) rectangle
(3) tringle
(4) rhombus​

Answer 1

The correct option is 3.

• A quadrilateral is defined as a geometric figure which contains four sides.
• Square has four equal sides so, it is a quadrilateral.
• Rectangle has four sides and the opposite sides are equal so, it is a quadrilateral.
• The rhombus has four equal sides and the opposite sides are parallel to each other so, it is a quadrilateral.
• Triangle has three sides so, it is not a quadrilateral.

Answer 2

Answer:

Option 3) triangle

Explaination:

A quadrilateral is a polygon which has exactly 4 sides and 4 vertices. here among the 4 options square has 4 sides and satisfies the quadrilateral condition followed by rectangle and rhombus. but triangle has only 3 sides and 3 vertices which is a contradiction to our condition hence triangle is not a quadrilateral among the 4 options.

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