Area of Irregular Shapes

Front

What is the area of a shape?

Back

The area of a shape is the amount of space inside the shape, measured in square units.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is an irregular shape?

Back

An irregular shape is a shape that does not have equal sides or angles.

Front

How can you find the area of an irregular shape?

Back

You can divide the irregular shape into regular shapes (like rectangles and triangles), calculate their areas, and then sum them up.

Front

What units are used to measure area?

Back

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

Front

If a rectangle has a length of 10 inches and a width of 5 inches, what is its area?

Back

Area = 10 in × 5 in = 50 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

What is the area of a circle?

Back

Area = π × radius².

Front

If a shape has an area of 48 square inches, what does that mean?

Back

It means that the space inside the shape covers 48 square inches.