Area of Trapezoids, Quadrilaterals, and Triangles

Front

What is a trapezoid?

Back

A trapezoid is a four-sided figure (quadrilateral) with at least one pair of parallel sides.

Front

Why does the trapezoid NOT fall under the category of parallelograms?

Back

All parallelograms have two sets of parallel lines; trapezoids only have one set of parallel lines.

Front

What is the formula to calculate the area of a trapezoid?

Back

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four edges (sides) and four vertices (corners).

Front

What are the properties of a parallelogram?

Back

A parallelogram has opposite sides that are equal in length, opposite angles that are equal, and the diagonals bisect each other.

Front

What is the area of a triangle?

Back

Front

How do you find the area of a triangle with a base of 10 cm and a height of 5 cm?

Back

Front

What is the area of a triangle with a side length of 7 km?

Back

The area is 18.9 km².

Front

What is the formula for the area of a rectangle?

Back

Front

What is the area of a rectangle with a length of 10 in and a width of 5 in?

Back