1. The Lines and Planes INCLINED LINE VERTICAL LINE HORIZONTAL LINE HORIZONTAL PLANE VERTICAL PLANE INCLINED PLANE

2. AB C D F E P QR T U SM N WORKSHEET 1 Name : ________________________________ Class : ______________ Date : ______________ Instructions: Answer the following questions. 1.Solid object ABCDEF above consists of three types of lines and planes. Name all the lines and planes below. Horizontal Lines: i. EF ii. _______ iii. _______ iv. _______ v. ________ Vertical Lines : i. _______ ii. _______ Inclined Lines : i. ________ ii. ________ Horizontal Planes : i. ABCD Verticle Planes : i. ______ ii. ______ iii. ______ Inclined Plane: i.______ 2. Name a) the horizontal lines b) the verticle lines c) the inclined lines d) the horizontal planes e) the verticle planes f) the inclined planes in the solid object PQRSTU.

3. NORMAL AND ORTHOGONAL PROJECTION NORMAL ORTHOGONAL PROJECTION PLANE

4. NAME THE ORTHOGONAL PROJ. AC ON THE PLANE ABED E A D C B F AC ABED A B ORTHOGONAL B IS NORMAL (find the point down C) C down

5. NAME THE ORTHOGONAL PROJ. AF ON THE PLANE ABED E A AF ABED D C B F E IS NORMAL A E ORTHOGONAL (find the point down F) F down

6. NAME THE ORTHOGONAL PROJ. CD ON THE PLANE BCFE E A D C B F CD BCFE E IS NORMAL C E ORTHOGONAL D (find the point at the back of D) back

7. NAME THE ORTHOGONAL PROJ. CA ON THE PLANE ABGH A G B D H F E C C A A B G H CB IS NORMAL AB ORTHOGONAL

8. NAME THE ORTHOGONAL PROJ. FB ON THE PLANE ABGH A G B D H F E C F B A B G H FG IS NORMAL BG ORTHOGONAL

9. NAME THE ORTHOGONAL PROJ. CH ON THE PLANE ABGH A G B D H F E C CH A B G H CB IS NORMAL HB ORTHOGONAL

10. ANGLE BETWEEN A LINE AND A PLANE

11. DETERMINE THE ANGLE LINE BD AND PLANE DCGH A G D H F E C B B DD C G H DOWN ANSWER: < BDC STEP 2 STEP 1 STEP 3 STEP 1 : FIND THE SAME ALPHABET STEP 3 : FIND THE POINT DOWN B ? B DC

12. DETERMINE THE ANGLE LINE AG AND PLANE ADHE H B A G D F E C A GA D H E BACK ANSWER: < GAH STEP 2 STEP 1 STEP 3 STEP 1 : FIND THE SAME ALPHABET STEP 3 : FIND THE POINT AT THE BACK OF G ? G AH

13. QUESTION GAC HBE CHG EGH HBG

14. ANGLE BETWEEN TWO PLANES

15. D E C A G H B F DETERMINE THE ANGLE BETWEEN PLANE ADGF AND PLANE BCGF ADGF BCGF INFRONT A GF B (point infront A) STEP 2 STEP 1 STEP 3 STEP 4: F STEP 1 : FIND THE SAME ALPHABET STEP 2 : CHOOSE ANY ALPHABET LEFT. STEP 3 : FIND THE POINT INFRONT A? B OR C? ANSWER: B STEP 4 : G OR F... NEAREST WITH POINT B? ANSWER: F ANSWER: AFB SOLUTION 1

16. D E C A G H B F DETERMINE THE ANGLE BETWEEN PLANE ADGF AND PLANE BCGF ADGF BCGF INFRONT D GF C STEP 2 STEP 1 STEP 3 STEP 4: G STEP 1 : FIND THE SAME ALPHABET STEP 2 : CHOOSE ANY ALPHABET LEFT. STEP 3 : FIND THE POINT INFRONT D? B OR C? ANSWER: C STEP 4 : G OR F NEAREST WITH POINT C? ANSWER: G ANSWER: DGC SOLUTION 2

17. D E C A G H B F DETERMINE THE ANGLE BETWEEN PLANE ADGF AND PLANE ABCD ADGF ABCD DOWN G AD C STEP 2 STEP 1 STEP 3 STEP 4: D STEP 1 : FIND THE SAME ALPHABET STEP 2 : CHOOSE ANY ALPHABET LEFT. STEP 3 : FIND THE POINT DOWN G? B OR C? ANSWER: C STEP 4 : A OR D NEAREST WITH POINT C? ANSWER: D ANSWER: GDC

18. D E C A G H B F DETERMINE THE ANGLE BETWEEN PLANE ADGF AND PLANE ABCD ADGF ABCD DOWN F AD B STEP 2 STEP 1 STEP 3 STEP 4: A STEP 1 : FIND THE SAME ALPHABET STEP 2 : CHOOSE ANY ALPHABET LEFT. STEP 3 : FIND THE POINT DOWN F? B OR C? ANSWER: B STEP 4 : A OR D NEAREST WITH POINT B? ANSWER: A ANSWER: FAB

19. K E J L G F I H M NAME THE ORTHOGONAL PROJ. MG ON THE PLANE ELKF MG ELMKF M G F ANSWER: < GMF BACK

20. PREPARED BY: SITI ZARINA BT SYED NORDIN