Area of a Polygon

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height

Front

Define a polygon.

Back

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

Front

What is the formula for the area of a rectangle?

Back

Area = length * width

Front

How do you calculate the area of a circle?

Back

Area = π * radius²

Front

What is a regular polygon?

Back

A regular polygon has all sides and angles equal.

Front

What is the formula for the area of a trapezoid?

Back

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

Front

How do you find the area of a parallelogram?

Back

Area = base * height

Front

What is the area of a sector of a circle?

Back

Area = (θ/360) * π * radius², where θ is the central angle in degrees.

Front

What is the formula for the area of a regular pentagon?

Back

Area = (1/4) * √(5(5 + 2√5)) * side²

Front

How do you convert square inches to square feet?

Back

Divide the number of square inches by 144.