Geometry Area Flashcard 1

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

How do you calculate the area of a parallelogram?

Back

Area = base * height

Front

What is the area of a rectangle?

Back

Area = length * width

Front

Define a nonagon.

Back

A nonagon is a polygon with nine sides and nine angles.

Front

What is the formula for the area of a kite?

Back

Area = (d1 * d2) / 2, where d1 and d2 are the lengths of the diagonals.

Front

How do you find the area of a circle?

Back

Area = π * r^2, where r is the radius.

Front

What is the area of a square?

Back

Area = side^2

Front

What is the relationship between the base and height in calculating the area of a triangle?

Back

The area of a triangle is directly proportional to its base and height.

Front

What is the area of a trapezoid?

Back

Area = 1/2 * (base1 + base2) * height

Front

How do you find the height of a parallelogram if you know the area and base?

Back

Height = Area / base