7.9C

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 = (base × height) / 2

Front

What is the formula for the area of a circle?

Back

Area = π × radius²

Front

What is the formula for the area of a trapezoid?

Back

Area = (base1 + base2) × height / 2

Front

What is the area of a semicircle?

Back

Area = (π × radius²) / 2

Front

How do you find the area of a composite figure?

Back

Calculate the area of each individual shape and sum them up.

Front

What is the definition of congruent shapes?

Back

Congruent shapes are identical in shape and size.

Front

What is the difference between area and perimeter?

Back

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

Front

What is the area of a square with a side length of 4 cm?

Back

Area = 4 cm × 4 cm = 16 cm²

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its area?

Back

Area = 10 cm × 5 cm = 50 cm²