1. Areas Advanced Geometry Areas and Volumes Lesson 1

2. Parallelograms ** The base and the height of any polygon are perpendicular to each other. Area Formulas Triangles

3. TrapezoidsRhombi

4. Example: Find the area and perimeter of parallelogram ABCD to the nearest tenth.

5. Example: Find the area and perimeter of parallelogram RSTU.

6. Example: Find the length of the base of the triangle if its area is 384.25 square inches. 14.5 in.

7. Example: Find the area of quadrilateral ABCD if AC = 35, BF = 18, and DE = 10.

8. Example: Trapezoid WXYZ has an area of 13.75 square meters. Find WX.

9. Example: Rhombus RSTU has an area of 64 square inches. Find US if RT = 8 inches.

10. Areas of Regular Polygons P a Perimeter apothem

11. Example: Find the area of a regular pentagon with a perimeter of 90 meters to the nearest tenth.

12. Example: Find the area of a regular hexagon with apothem length of 18 inches to the nearest tenth.

13. Area of a Circle

14. Example: An outdoor accessories company manufactures circular covers for outdoor umbrellas. If the cover is 8 inches longer than the umbrella on each side, find the area of the cover in square yards.

15. ft Example: Find the area of the shaded region. Assume that the quadrilateral is a square. Round to the nearest tenth.

16. Example: Find the area of the shaded region. Assume that the triangle is equilateral. Round to the nearest tenth.

17. Example: What is the area of the composite figure? Round to the nearest tenth.

18. Example: Find the area of the composite figure. Round to the nearest tenth, if necessary.