Area of Triangles/Circles/Quadrilaterals

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

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 circle?

Back

Area = π × radius²

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

What is the formula for the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height

Front

What is the height of a triangle?

Back

The perpendicular distance from the base to the opposite vertex.

Front

What is the radius of a circle?

Back

The distance from the center of the circle to any point on its circumference.

Front

What is the diameter of a circle?

Back

The distance across the circle through the center, equal to 2 × radius.

Front

What is a quadrilateral?

Back

A polygon with four sides.

Front

What is a parallelogram?

Back

A quadrilateral with opposite sides that are parallel and equal in length.