Lesson 1Go the DistanceDevelop Understanding

1.

Points and are graphed in the coordinate plane. Graph and label the new points on the same grid.

a. Rotate counterclockwise about the origin, and label the new coordinates. The new point is .

b. Compare the new coordinates of with the coordinates of .

c. Rotate point clockwise about the origin, and label the new coordinates. The new point is .

d. Compare the new coordinates of with the coordinates of .

e. Rotate point counterclockwise about the origin, and label the new coordinates. The new point is .

f. Compare the new coordinates of with the coordinates of .

g. Rotate point clockwise about the origin, and label the new coordinates. The new point is .

h. Compare the new coordinates of with the coordinates of .

Set

2.

Find the exact perimeter of . On which segment did you need to use the distance formula?

3.

Find the exact perimeter of .

4.

Find the exact perimeter of quadrilateral .

5.

Find the exact perimeter of the quadrilateral.

Go

Use the given information to fill in the missing coordinates. Then find the length of the indicated line segment.

Find .

Find .