Area of Polygons

Front

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

Back

Area = π × radius²

Front

What is the area of a polygon?

Back

The area of a polygon can be calculated by dividing it into simpler shapes (like triangles and rectangles) and summing their areas.

Front

What is the unit of area?

Back

Common units of area include square units (e.g., cm², m², ft², yd²).

Front

How do you find the area of a composite shape?

Back

Find the area of each individual shape and then sum them up.

Front

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

Back

Area = 5 × 5 = 25 units²

Front

If a rectangle has a length of 10 units and a width of 3 units, what is its area?

Back

Area = 10 × 3 = 30 units²

Front

What is the area of a triangle with a base of 8 units and a height of 5 units?

Back

Area = 1/2 × 8 × 5 = 20 units²

Front

How do you convert area from square meters to square centimeters?

Back

Multiply by 10,000 (1 m² = 10,000 cm²).