Area, Perimeter and Decimals Review

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the decimal equivalent of 1/4?

Back

0.25.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What is the area of a triangle?

Back

Area = 1/2 × base × height.

Front

How do you find the area of a circle?

Back

Area = π × radius².

Front

What is the relationship between area and square units?

Back

Area is measured in square units (e.g., cm², m²).

Front

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

Back

Perimeter = 4 × side length = 20 cm.

Front

How do you calculate the area of a trapezoid?

Back

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

Front

What is the decimal representation of 18.9 km²?

Back

18.9 km² is already in decimal form.