Area of shapes

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 definition of a square?

Back

A square is a shape with four equal sides and four right angles.

Front

What is the definition of a rectangle?

Back

A rectangle is a shape with opposite sides equal and four right angles.

Front

What is the definition of a triangle?

Back

A triangle is a shape with three sides and three angles.

Front

What is the definition of a circle?

Back

A circle is a shape where all points are equidistant from the center.

Front

How do you find the area of a composite shape?

Back

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

Front

What is the area of a rectangle with a length of 5 cm and a width of 3 cm?

Back

Area = 5 cm × 3 cm = 15 cm²

Front

What is the area of a triangle with a base of 4 cm and a height of 3 cm?

Back

Area = 1/2 × 4 cm × 3 cm = 6 cm²