Area of Shapes

Front

What is the formula for the area of a triangle?

Back

A = bh/2, where A is the area, b is the base, and h is the height.

Front

What is the area of a rectangle with a length of 8 m and a width of 4 m?

Back

32 m² (Area = length × width = 8 m × 4 m).

Front

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

Back

25 cm² (Area = side × side = 5 cm × 5 cm).

Front

What is the formula for the area of a rectangle?

Back

A = l × w, where A is the area, l is the length, and w is the width.

Front

What is the area of a triangle with a base of 10 cm and a height of 5 cm?

Back

25 cm² (Area = 10 cm × 5 cm / 2).

Front

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

Back

28.26 cm² (Area = πr², where r is the radius).

Front

What is the formula for the area of a trapezoid?

Back

A = (b1 + b2)h/2, where b1 and b2 are the lengths of the two bases and h is the height.

Front

What is the area of a trapezoid with bases of 6 cm and 4 cm, and a height of 3 cm?

Back

15 cm² (Area = (6 cm + 4 cm) × 3 cm / 2).

Front

What is the area of a composite figure?

Back

To find the area, break it down into simpler shapes, calculate each area, and then sum them up.

Front

What is the area of a polygon?

Back

The area can be calculated by dividing it into triangles or rectangles and summing their areas.