Area of Composite Figures Review (Week 3-2)

Front

What is the formula for the area of a rectangle?

Back

The area of a rectangle is calculated using the formula: Area = length × width.

Front

What is the formula for the area of a triangle?

Back

The area of a triangle is calculated using the formula: Area = (base × height) / 2.

Front

What is the formula for the area of a circle?

Back

The area of a circle is calculated using the formula: Area = π × radius².

Front

What is a composite figure?

Back

A composite figure is a shape that is made up of two or more simple shapes, such as rectangles, triangles, and circles.

Front

How do you find the area of a composite figure?

Back

To find the area of a composite figure, calculate the area of each simple shape and then sum them up.

Front

What is the formula for the circumference of a circle?

Back

The circumference of a circle can be calculated using the formula: C = 2πr or C = πd.

Front

What is the area of a semi-circle?

Back

The area of a semi-circle is calculated using the formula: Area = (π × radius²) / 2.

Front

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

Back

Area = length × width = 10 cm × 5 cm = 50 cm².

Front

If a triangle has a base of 8 m and a height of 5 m, what is its area?

Back

Area = (base × height) / 2 = (8 m × 5 m) / 2 = 20 m².

Front

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

Back

Area = π × radius² = π × (3 cm)² ≈ 28.27 cm².