Perimeter and Area Review

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 perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the perimeter of a square?

Back

Perimeter = 4 × side length.

Front

What is the relationship between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around it.

Front

How do you find the area of a composite shape?

Back

Divide the shape into simpler shapes, find their areas, and sum them up.

Front

What is the area of a shaded region?

Back

Area of the larger shape minus the area of the unshaded part.

Front

What is a ratio in terms of area?

Back

A ratio compares the areas of two shapes, expressed as a fraction.

Front

How do you convert square centimeters to square meters?

Back

1 m² = 10,000 cm².