Answer:
The quadrilateral that does not belong to any of the given group is:
Trapezoid.
Step-by-step explanation:
<u>Parallelogram--</u>
In Euclidean Geometry, a parallelogram is a quadrilateral with a pair of a parallel sides.
i.e. The facing side or the opposite sides of the parallelogram are of equal measure.
The examples of parallelogram are:
Square, Rectangle, Rhombus etc.
<u>Trapezoid--</u>
A trapezoid is a quadrilateral which has only one pair of parallel sides.
πAnswer:
Therefore, the area of a sector of a circle would be 13.5π square units.
Step-by-step explanation:
Given
The area of a sector of a circle is:
A = π r² Ф/360
A = π (9)² 60/360
A = π 81 * 1/6
A = 13.5π square units
Therefore, the area of a sector of a circle would be 13.5π square units.