1.6 Two-Dimensional Figures (CG)

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate 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

How do you find the circumference of a circle?

Back

Circumference = π × diameter or Circumference = 2 × π × radius.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.

Front

What are the coordinates of point A in the Cartesian plane?

Back

Point A is represented as (x, y) where x is the horizontal position and y is the vertical position.

Front

How do you graph a point on the Cartesian plane?

Back

Locate the x-coordinate on the horizontal axis and the y-coordinate on the vertical axis, then plot the point.

Front

What is the area of a triangle?

Back

Area = 1/2 × base × height.

Front

How do you calculate the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.