PART I – GEOMETRY OF SHAPE AND SIZE

Activity No. 1Undefined Terms

A. 1. T2. T3. T4. T5. T

B. 1. line segment

2. ray3. line4. plane5. ray

C. 1. line2. point3. plane4. collinear5. infinite

6. two7. three8. segment9. ray10. coplanar

Activity No. 2Angles

1. 43 º2. 47 º3. 35 º4. 25 º5. 30 º

6. 90 º7. 120 º8. 105 º9. 30 º10. 80 º

Activity No. 3Triangles

I. A.

1. RO

2.

OH3.

RH

B.

1. R

2. O

3. H C.

1. <R2

. <O

3. <H

II. 1. T2. T3. F4. T5. T

III. 1. Right triangle

2. Scalene triangle

3. Equilateral triangle

Activity No. 4Polygon

A. 1. non-convex2. convex3. convex4. non-convex5. non-convex

B. 1. hexagon2. A,B,C,D,E,F,G3. AB,BC,CD,DE,EF,FG,GA4. AE and BD5. AB and BC6. <A and <B; <F and <E7. <A and <E; <F and <B8. AB and FE; AB and ED9. AF, AE, BE, BD10. Yes, the polygon is regular

Activity No. 5Circle

A. 1. diameter2. chord3. radius4. secant line5. tangent line6. center

7. minor arc8. chord9. point of tangency10. major arc

B. 1. T2. T3. T 4. T5. F

C. 1. AB2. PW3. N4. P5. M6. FWC and

FAC

7. FC8. WFC and

WCA9. WB10. C

Activity No. 6Perimeter and Circumference

A. 1. 362. 643. 234. 465. 55

B. 1. 14.44 cm.2. 92.2 in.3. 39.56 in.4. 376.8 cm5. 190.60 cm

Activity No. 7Area of Polygon

1. 153.86 cm2. 312 inches3. 12 inches4. 180 m5. 14 m

Activity No. 8Surface Area of Solid

1. 24

2. 1003. 40.694. 60

Activity No. 9Volume of Solid

A. 1. 11.562. 1303. 267.954. 0.135. 162

B. 1. 880

2. 8.393. 113.04

liters4. 9.14 h5. 2700 liters

PART II – GEOMETRIC RELATIONS

Activity 10Measures of Line Segments

A. 1. 42. 23. 44. 45. 6

B. 1. 82. 83. 5.54. yes5. 25

Activity No. 11Angle Bisector

1. 902. 1203. 754. 90

Activity No. 12Angle Pairs

A. 1. <POH, <HOL, <LOF, <FOP2. <POC & <COF; <FOR & <ROL; <LOI & < IOH; <HOW & <WOP3. <COP & <IOL; <POW & <ROL; <WHO & < FOR; <HOI & <COF4. line PL & line FH5. <FOH & <POL

B. 1. 60; 302. 50; 403. 30; 604. 45; 455. 55; 35

C. 1. 30; 602. 36.1443. 33.75; 56.254. 45; 455. 72; 108

Activity No. 13Perpendicular Lines

A. 1. a. 100º b. 80 º c. 100 º d. 80 º

2. <2 & <4; <1 & <33. <2 & <1; <1 & <4; <4 & <3; <3 & <24. <2 & <1

B. 1. a. 90 º b. 62 º c. 90 º d. 28 º2. <RPB = <APS3. <BPA = <APS

Activity No. 14Angles Formed by Parallel Line Cut by

Transversal

A. 1. <8, <7, <1 & <22. <4, <5, <3, & <63. <5 & <3; <4 & <64. <7 & <1; <8 & <25. <8 & <7; <5 & <6; <4 & <3; <1 & <26. <8 & <6; <7 & <5; <4 & <2; <3 & <17. <7 & <6; <3 & <2; <8 & <5; <4 & <18. <8 & <7; <5 & <6; <4 & <3; <1 & <2; <2 & <3; <6 & <7; <8 & <5; <4 & <19. <8 & <7; <5 & <6; <4 & <3; <1 & <2; <2 & <3; <6 & <7; <8 & <5; <4 & <110. <6 & <3; <5 & <4

B. a. 6 f. 6b. 174 g. 6c. 174 h. 6d. 174 i. 168e. 174 j. 12

Activity No. 15Relations Among the Angles & sides of a

Triangle

A. 1. x2. /3. x4. /5. /

B. 1. a. 115 b. 652. a. 55 b. 503. a. 115 b. 65

4. a. 40 b. 1155. a. m<1= 50 b. m<2= 0 c. m<3 = 0 d. m<3 = 130