NNAT Geometric Concepts and Shape Properties 3

Question 1

Which quadrilateral has exactly ONE pair of parallel sides?

Accepted Answer

Trapezoid

Answer

A trapezoid (or trapezium) is defined as a quadrilateral with exactly one pair of parallel sides.

Question 2

What is the term for a figure that looks the same on both sides of a dividing line?

Accepted Answer

Symmetric

Answer

A figure is symmetric when a line (the line of symmetry) divides it into two mirror-image halves.

Question 3

A rectangle has a length of 4 units and a width of 3 units. What is its perimeter?

Accepted Answer

14 units

Answer

Perimeter = 2 × (length + width) = 2 × (4 + 3) = 2 × 7 = 14 units.

Question 4

Which of these shapes has the MOST sides?

Accepted Answer

Octagon

Answer

An octagon has 8 sides, which is more than a pentagon (5), hexagon (6), or heptagon (7).

Question 5

Two shapes have the same form but one is larger than the other. What are they called?

Accepted Answer

Similar

Answer

Similar shapes have the same angles and proportional side lengths but differ in size, unlike congruent shapes which are identical.

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