Area of Composite Figures with Triangles, Trapezoids, and Circles

What formulas can be applied to solve problems involving composite plane figures?

• Diameter, radius, and area formulas

• Volume, surface area, and perimeter formulas

• Length, width, and height formulas

• Perimeter, circumference, and area formulas

It can be calculated by dividing the composite figure into basic figures and then using the relevant area formula for each basic figure.

• area

• perimeter

• volume

• surface

What is the approximate area of the shaded region in a nearest whole number?

It is made up of simple shapes, such as triangles, rectangles, trapezoids, and circles.

• composite figures 

• solid figures 

• simple figures 

• plane figures 

Tags

CCSS.1.G.A.2

What is the area of this composite figure to the nearest tenth? ___ sq cm

Mathematical Equivalence

ON

Tags

7.9C

What is the area of this trapezoid?

• 4.5 cm²

• 6.5 cm²

• 6.8 cm²

• 9 cm²

Tags

CCSS.6.G.A.1

What is the total area of this composite figure to the nearest whole number?

• 566 square feet

• 5,510 square feet

• 58 square feet

• 456 square feet

Tags

7.9C

What is the total area of this composite figure to the nearest whole number? ____ inches squared

Mathematical Equivalence

ON

What is the total area of this figure to the nearest whole number? ____ square yards

Mathematical Equivalence

ON

Tags

7.9C

What is the total area of this figure to the nearest whole number? ____ inches squared

• 240

• 1,536

• 350

• 1,425