150˚

14 in

18 in

Formula Box: Fill-in the formulas below and make sure you know them from this moment on!

Area of a Rectangle: ___________________ Area of a Parallelogram: _______________________

Area of a Square: ______________________ Area of a Triangle: ___________________________

Area of a Trapezoid: ____________________ Median of a Trapezoid: ________________________

Area of a Rhombus : _ ______ _________ Area of a Kite:_ ______________ _________

Area of an Equilateral Triangle: ____________ Area of a Regular Polygon: _______

Area of a Circle: ______________ ________ Circumference of a Circle: ______________________

1) Find the area of a triangle with side lengths of 2) Find the diagonal of a rhombus with an area of 25, 25, and 15 60 and the length of the other diagonal is 15 cm.

3) Find the area of the parallelogram. 4) A trapezoid has a base with measures of 10 in.

a height of 15 in., and an area of 337.5. Find the

length of the other base.

5) Find the area of a regular hexagon 6) Find the area of a regular heptagon

that has a radius of 10. with a side of 9.

7) Find the circumference of a circle 8) Find the area of the figure.

given that the area is 169 .

9) Find the area of the figure. 10) Plot the Points given: A(-2, 3) B(0, 6) C(6, 2),and D(,-1)

Name the polygon. Then find the area and perimeter.

11) The base and the height of a rectangle are tripled. Describe the effect on the area of the triangle.

12) The radius of a circle is multiplied by 2/3. Describe the effect on the area of the circle.

13) A square has a side length of 10. If the area of the square is multiplied by 6, what is the effect on the side

length of the square?

Study! Check your notes, rework problems, check SharePoint, study with a buddy, etc.