Basic Mathematics for College Students

10. 11. 12. Name the six corresponding parts of the congruent triangles shown below. Name the six corresponding parts of the co ...

D C A B E 1 2 5 cm 5 cm 4 cm 4 cm C A D B F E GUIDED PRACTICE Name the six corresponding parts of the congruent triangles. See O ...

Tell whether the triangles are similar.See Example 5. 45. 46. In Problems 53 and 54,. Find and ...

In Problems 69 and 70,. Find and. In Problems 71 and 72, find and. In Problems 73–76, find. ...

APPLICATIONS SEWING The pattern that is sewn on the rear pocket of a pair of blue jeans is shown below. If , how long is the st ...

9.6 Quadrilaterals and Other Polygons 767 HEIGHT OF A TREE A tree casts a shadow of 29 feet at the same time as a vertical yard ...

768 Chapter 9 An Introduction to Geometry A B D C A segment that joins two nonconsecutive vertices of a polygon is called a diag ...

We have seen that if a quadrilateral has four right angles, it is a rectangle. The following statements establish some condition ...

In the figure above, we can view as a transversal cutting the parallel lines and. Since and are interior angles on the same side ...

9.6 Quadrilaterals and Other Polygons 771 Self Check 4 Refer to the isosceles trapezoid shown below with. Find xand .y RSUT Now ...

772 Chapter 9 An Introduction to Geometry 1 2 • 180° = 360° (a) 3 • 180° = 540° (b) 4 • 180° = 720° (c) 1 1 2 Quadrilateral Pent ...

9.6 Quadrilaterals and Other Polygons 773 a.90° b.12 ft c.6.5 ft d.6.5 ft 3.87°, 101° 4.10 in., 58° 5.900° 6.11 sides ANSWERS ...

Refer to the parallelogram shown below. If and , what type of figure is quadrilateral? a. Is every rectangle a square? b. Is ev ...

Refer to the trapezoid shown below.See Example 3. a. Find. b. Find. Refer to trapezoid shown below.See Example 3. a. Find. b ...

APPLICATIONS QUADRILATERALS IN EVERYDAY LIFE What quadrilateral shape do you see in each of the following objects? a. podium (u ...

The perimeter is 70 m.  70 P 10  18  24  18 9.7 Perimeters and Areas of Polygons 777 SECTION 9.7 Perimeters and Areas of Po ...

Since a rectangle has two lengths and two widths , its perimeter is given by lwlw, or. 2 l 2 w l w P 778 Chapter 9 An Introd ...

9.7 Perimeters and Areas of Polygons 779 Analyze The truss is in the shape of an isosceles triangle. Given One of the sides of ...

In everyday life, we often use areas. For example, To carpet a room, we buy square yards. A can of paint will cover a certain n ...

9.7 Perimeters and Areas of Polygons 781 Figure Name Formula for Area Square , where is the length of one side. Rectangle , wher ...