Area of Composite Figures Answers

How can you decompose the composite figure to determine its area?

square✔ regular pentagonregular hexagon

equilateral triangle✔ squareregular pentagon

✔ equilateral trianglesquareregular hexagon

An equilateral triangle with side lengths equal to units is inscribed in a circle.

69✔ 12

4✔ 48144

The area of one of the small right triangles outlined in blue is A cm2, while the area of the square outlined in red is B cm2. Which expressions show the area of the shaded region in terms of A and B? Check all that apply.

For a class project, a teacher cuts out 15 congruent circles from a single sheet of paper that measures 6 inches by 10 inches. How much paper is wasted?

Isla says the areas of the two shaded regions are equal. Clara says the shaded region in the first figure has a larger area. Who is correct?

⇒ 34

An equilateral triangle is shown inside a square inside a regular pentagon inside a regular hexagon. Write an expression for the area of the shaded regions.

The radius of the semicircle is [___].

⇒ 11

✔ is greater than what the business needsis less than what the business needsis exactly 110,00 square feetcannot be determined with the information given

612✔ 36

An equilateral triangle with side lengths equal to units is inscribed in a circle.