Composite Figures

Front

What is a composite figure?

Back

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

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

How do you calculate the area of a triangle?

Back

Area = 1/2 × base × height.

Front

How do you calculate the area of a circle?

Back

Area = π × radius². Use 3.14 for π.

Front

What is the formula for the area of a trapezoid?

Back

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

Front

What is the first step in finding the area of a composite figure?

Back

Divide the composite figure into simpler shapes whose areas can be calculated.

Front

How do you find the total area of a composite figure?

Back

Calculate the area of each simple shape and then sum them up.

Front

What does it mean to round to the nearest tenth?

Back

It means to adjust a number to one decimal place, rounding up or down based on the value of the second decimal.

Front

If a circle has a radius of 5 cm, what is its area?

Back

Area = 3.14 × (5 cm)² = 78.5 cm².

Front

What is the area of a rectangle with a length of 10 m and a width of 4 m?

Back

Area = 10 m × 4 m = 40 m².