Area of circles, parallelograms, Triangles and Trapezoids

Front

What does area mean?

Back

The amount of space inside a shape.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

What is 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 rectangle?

Back

Area = length × width.

Front

If a rectangle has a length of 8 cm and a width of 4 cm, what is its area?

Back

32 cm².

Front

If a parallelogram has a base of 10 in and a height of 6 in, what is its area?

Back

60 in².

Front

What is the area of a triangle with a base of 5 m and a height of 3 m?

Back

7.5 m².

Front

If a trapezoid has bases of 4 m and 6 m and a height of 5 m, what is its area?

Back

25 m².

Front

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

Back

28.26 cm² (using π ≈ 3.14).