Chapter 10, Lesson 7


10-7.A plot points on a coordinate plane
Working on a coordinate plane, which statements must be true?
I
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.