Chapter 10, Lesson 7

10-7.A plot points on a coordinate plane
Working on a coordinate plane, which statements must be true?
The point (—3, —5) lies in Quadrant III.
II The point (6, —2) lies in Quadrant IV.
III The point (0, —7) lies on the x-axis.
(a) I and II only (b) I and III only (c) II and III only (d) I, II, and III

10-7.B find perimeter and area of triangles and quadrilaterals
Find the perimeter and area of each figure.

10-7.C use the Pythagorean Theorem
Find the length of the diagonal of a rectangle whose dimensions are 16 meters by 30 meters.