Module 14: Polygons in the Coordinate Plane

Front

What happens to the x-coordinate of a point when it reflects over the x-axis?

Back

The x-coordinate stays the same.

Front

What are the coordinates for the origin on a coordinate plane?

Back

(0,0)

Front

If the area of a rectangle is 36 square meters and the length is 3, what is the width?

Back

The width is 12 meters.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the area of a trapezoid?

Back

Area = (1/2) × (base1 + base2) × height.

Front

What is the area of a rectangle with a length of 9 units and a width of 5 units?

Back

The area is 45 units squared.

Front

What is the definition of a polygon?

Back

A polygon is a closed figure with three or more straight sides.

Front

How many sides does a hexagon have?

Back

A hexagon has 6 sides.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is 180 degrees.

Front

What is the area of a rectangle with a length of 7 units and a width of 4 units?

Back

The area is 28 units squared.