Semester Review - Coordinate Plane Perimeter & Areas

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the area of a triangle?

Back

Area = (base × height) / 2.

Front

What is the formula for the area of a polygon given its vertices?

Back

Area = 1/2 | Σ (x_i * y_(i+1) - x_(i+1) * y_i) | for i = 1 to n.

Front

What is the perimeter of a polygon?

Back

Perimeter is the sum of the lengths of all sides.

Front

How do you find the distance between two points (x1, y1) and (x2, y2)?

Back

Front

What is the formula for the area of a square?

Back

Area = side × side.

Front

What is the formula for the area of a trapezoid?

Back

Area = (1/2) × (base1 + base2) × height.

Front

How do you find the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

What is the relationship between area and units?

Back

Area is expressed in square units (e.g., square meters, square feet).