Review for Finals: Perimeter, Area, Circumference, ID Polygons

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

How do you calculate the area of a rectangle?

Back

Area = length × width

Front

What is the formula for the area of a triangle?

Back

Area = (base × height) ÷ 2

Front

What is the circumference of a circle?

Back

Circumference = 2πr, where r is the radius.

Front

How do you find the area of a circle?

Back

Area = πr², where r is the radius.

Front

What is a polygon?

Back

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

Front

What is the definition of a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

How many sides does an octagon have?

Back

An octagon has eight 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 sum of the interior angles of a quadrilateral?

Back

The sum of the interior angles of a quadrilateral is 360 degrees.