4/23/2020 Compound Area Problems

Front

What is the area of a rectangle?

Back

Area = length × width.

Front

How do you find the area of a circle?

Back

Area = π × radius².

Front

What is a composite figure?

Back

A shape made up of two or more simple shapes.

Front

How do you calculate the area of a compound shape?

Back

Add the areas of the individual shapes that make up the compound shape.

Front

What is the formula for the area of a trapezoid?

Back

Area = (base1 + base2) × height / 2.

Front

How do you find the area of a shaded region?

Back

Subtract the area of the unshaded part from the total area.

Front

What is the relationship between the area of a circle and its diameter?

Back

The area is proportional to the square of the radius, which is half the diameter.

Front

What is the formula for the area of a triangle?

Back

Area = (base × height) / 2.

Front

How do you find the area of a semicircle?

Back

Area = (π × radius²) / 2.

Front

What is the significance of units in area measurement?

Back

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