9.1.1 - 9.2.1 Area & Surface Area

Front

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

Back

Area = length × width

Front

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

Back

Area = 1/2 × base × height

Front

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

Back

Area = π × radius²

Front

What is the definition of surface area?

Back

Surface area is the total area of the surface of a three-dimensional object.

Front

What is the formula for calculating the surface area of a cube?

Back

Surface Area = 6 × side²

Front

What is the formula for calculating the surface area of a rectangular prism?

Back

Surface Area = 2(lw + lh + wh) where l = length, w = width, h = height.

Front

What is the circumference of a circle?

Back

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

Front

What is the relationship between diameter and radius?

Back

Diameter = 2 × radius

Front

How do you find the area of a shaded region in a composite figure?

Back

Area of shaded region = Total area - Area of unshaded region

Front

What is the area of a square with a side length of 5 cm?

Back

Area = side² = 5 cm × 5 cm = 25 cm²