Area

Front

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

Back

Area = length × width.

Front

If the area of a rectangle is known, how can you find one side if the other side is given?

Back

You can rearrange the formula: width = Area ÷ length.

Front

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

Back

Area = (base × height) ÷ 2.

Front

How do you find the height of a triangle if the area and base are known?

Back

Rearrange the triangle area formula: height = (Area × 2) ÷ base.

Front

What units are used to measure area?

Back

Area is measured in square units, such as square centimeters (cm²), square meters (m²), or square inches (in²).

Front

What is the area of a square with a side length of 4 cm?

Back

Area = side × side = 4 cm × 4 cm = 16 cm².

Front

How do you calculate the area of a circle?

Back

Area = π × radius².

Front

What is the relationship between the radius and diameter of a circle?

Back

Diameter = 2 × radius.

Front

If the area of a circle is 50 cm², how do you find the radius?

Back

Radius = √(Area ÷ π).

Front

What is the formula for the area of a trapezoid?

Back

Area = (base1 + base2) × height ÷ 2.