2D Geometry Review

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 × π × radius

Front

What is the value of π (pi) approximately?

Back

π ≈ 3.14

Front

How many degrees are in a full circle?

Back

360 degrees

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

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 triangle?

Back

Area = 1/2 × base × height

Front

What is a composite shape?

Back

A composite shape is made up of two or more simple shapes.

Front

How do you find the area of a composite shape?

Back

Calculate the area of each simple shape and then sum them up.

Front

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

Back

The sum is 360 degrees.

Front

What is the relationship between the angles in a triangle?

Back

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