Engineering Drawing Form 4 Angles

GEOMETRICAL DRAWING

S T

R 1       3       5       °      

7      5      °    

CHAPTER 2 : GEOMETRY - ANGLES 1.

Construct an angle BAC = 60 o

C

A

B

CHAPTER 2 : GEOMETRY - ANGLES 2.

Construct an angle QPR = 30 o

R 

P

Q

CHAPTER 2 : GEOMETRY - ANGLES 3.

Construct an angle PQR = 90 o

R 

P

Q

CHAPTER 2 : GEOMETRY - ANGLES 4.

Construct an angle BAC = 45 o

C

A

B

CHAPTER 2 : GEOMETRY - ANGLES 5.

Bisect an angle PQR into two equal parts .

P

Q

R

CHAPTER 2 : GEOMETRY - ANGLES 6.

Transfer an angle ABC when the new line BC is as shown.

A

C

A

B B

C

CHAPTER 2 : GEOMETRY - ANGLES 7. Draw the template in Figure 1 by using geometrical methods. The new position of line AG ia as shown. BD=DE. C C

B

 4   1 4

D

3        0        °       

B

G

A

E D          6           6 

4 5   °  

   8    6

E

F

G

FIGURE 1

A

F

CHAPTER 2 : GEOMETRY - ANGLES 8.

Figure 2 shows a template ABCDE. Draw the template by using geometrical methods. The new position of line AE is as shown. B B

D       3      8

D 2 C

A

4          5         °        

C

  °    7  5

1

E E

FIGURE 2

A