Chapter 11.2, Problem 3QR

Let A, B, and C lie on a straight line as shown near Exercise 8. Classify these claims as true or false. a B lies between A and C. b AB is a ray with endpoint B.

When the diagonals of rhombus MNPQ are drawn, how do the areas of the four resulting smaller triangles compare to each other and to the area of the given rhombus? Exercise 46

Let all of the lines named be coplanar. Make a drawing to reach a conclusion. a If rs and st, then _. b If ab and bc, then _.

Which part hypothesis or conclusion of a theorem determines the a Drawing? b Given? c Prove?

In Exercises 11 to 14, find the distance between the two points P1 and P2. P1=-1,2,3 and P2=2,-2,9

Determine whether ABC, with vertices A0,0,0, B1,2,4, and C0,0,8, is an isosceles triangle.

The sum of the measures of all three angles of the triangle in Review Exercise 30 is 180. If the sum of the measures of angles 1 and 2 is more than 130. what can you conclude about the measure of angle 3? 30.

Does the relation is a brother of have a reflexive property consider one male? A symmetric property consider two males? A transitive property consider three males?

If the diagonals of a parallelogram are perpendicular and congruent, what can you conclude regarding the parallelogram?