Tuesday, June 7, 2022 SCALE DRAWING AIRIL AHMAD SMK PERIMBUN
Jun 19, 2015
Thursday, April 13, 2023
SCALE DRAWING
AIRIL AHMADSMK PERIMBUN
Thursday, April 13, 2023
EXERCISE
Drawing
Thursday, April 13, 2023
SCALE DRAWING
Scale = Length of a side of the drawing
Length of corresponding side of the object
Scale =D
O
DC= 4UNITSD’C’= 2UNITSD
C
Object
A
E
BA’
B’ C’
D’E’Drawing
DScale
O
2
4Scale
1
2Scale
DC= 4 units
D’C’= 2 units
Object
DScale
O
2
4Scale
2 : 4Scale2 4
:2 2
Scale
1: 2Scale
A
D C
B
DC= 3UNITSD’C’= 6UNITS
Scale = 6:3
Scale = 2:1
Object
A’
D’ C’
B’Drawing
Scale = 2:1
2 2
Scale = 1: 1/2
DC= 3 units
D’C’= 6 units
Object
DScale
O
6
3Scale
6 : 3Scale6 3
:6 6
Scale
31:
6Scale
1
2
11:
2Scale
Thursday, April 13, 2023
EXERCISE
Scale
EXERCISE 1:Find the scale
12 cm
6 cm
3 cm
6 cmObject
Drawing
EXERCISE 2:Find the scale
15 cm
5 cmObject
Drawing
EXERCISE 3:Find the scale
16 cm
4 cmDrawing
Object
EXERCISE 4:Find the scale
24 cm
3 cmObject
Drawing
EXERCISE 5:Find the scale6
cm
2 cm
Drawing
Object
Object
EXERCISE 6:Find the scale5 cm
20 cmDrawing
Object
EXERCISE 7:Find the scale
6 cm
18 cm
Drawing
Thursday, April 13, 2023
AIRIL BIN AHMAD
MAPS AND PLANS
Thursday, April 13, 2023
AIRIL BIN AHMAD
MAPS AND PLANS1:10 000
Means
1cm on the map and 10 000cm on the ground
The ratio 1 is called the representative fraction (RF)
10 000