Objective: Review.

Warm up1. Triangles are similar. Find the value of x.

Reflection over line y = x.

2. Reflect over the x-axis, then reflect of the line y = x.

3. Write the equation of the circle.

A.

B.

C.

D.

4. Diagonal AC is 12 cm and diagonal BD is 8 cm. BC = 5 cm. Find the perimeter of triangle AED.

5. Find x.

6. Lines a and b are parallel. Find the measure of angle y.

y

7. Find line parallel to the given line passing through ( 3, 1)

8. Find the area of the sector containing AOB. The length of arc AB is inches.

9. Describe how to construct a perpendicular line to a given line and passing through a given point not on the line.

10. Find the measure of angle x.

11. Select all transformations that carry the figure onto itself.

A. Rotation of 360 degrees . Point C is the center of rotation.B. Reflection over the y-axis.C. Reflection over the x-axis.D. Rotation of 720 degrees. Point C is the center of rotation.E. Rotation of 180 degrees. Point C is the center of rotation.

12. Write an expression to represent how much water is needed to fill the rectangular prism.

58

10

h

13.How many square base pyramids fit inside a cube. The base of the pyramid and the cube are the same. Both have the same height.

14. If a regular hexagon is rotated counterclockwise around the center, what is the minimum number of degrees it must be rotated to carry the hexagon onto it self.

. Sphere Volume

. All circles are similar. Proportions can be used to find missing parts.