Area of Irregular Shapes

Front

What is the area of an irregular shape?

Back

The area of an irregular shape is the amount of space inside the shape, which can be calculated by dividing the shape into regular shapes (like rectangles and triangles) and summing their areas.

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 a polygon?

Back

A polygon is a closed figure with three or more straight sides.

Front

What is the difference between regular and irregular polygons?

Back

Regular polygons have all sides and angles equal, while irregular polygons do not.

Front

How can you find the area of a complex shape?

Back

Divide the complex shape into simpler shapes, calculate the area of each, and then sum them up.

Front

What is the area of a shape measured in?

Back

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

Front

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

Back

Area = 10 cm × 5 cm = 50 cm².

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 find the area of a circle?

Back

Area = π × radius².