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 trapezoid?

Back

Area = 1/2 × (base1 + base2) × height.

Front

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

Back

Area = 4 × 4 = 16 square units.

Front

What is the area of a circle with a radius of 3 units?

Back

Area = π × radius² = π × 3² ≈ 28.27 square units.

Front

What is the area of a parallelogram?

Back

Area = base × height.

Front

What is the area of a rectangle with a length of 10 ft and a width of 5 ft?

Back

Area = 10 × 5 = 50 square feet.

Front

What is the area of a triangle with a base of 6 units and a height of 4 units?

Back

Area = 1/2 × 6 × 4 = 12 square units.

Front

What is the area of a trapezoid with bases of 8 units and 6 units, and a height of 5 units?

Back

Area = 1/2 × (8 + 6) × 5 = 35 square units.

Front

What is the area of a square with a side length of 7 cm?

Back

Area = 7 × 7 = 49 square centimeters.