Respuesta :
Given:
Two trail maps:
Trail on the first map = 8 cm
Trail on the second map = 6 cm
Scale on first map = 1 cm : 2 km
A) What is the scale factor from the map to the actual trail?
For the first map, the scale factor is 1 cm: 2km. Therefore the actual trail is 8 centimeters * 2 kilometers = 16 km.
The scale factor of the second map is 16 km / 6 cm = 2.67 km : 1 cm
B) The length of the actual trail is 16 kilometers.
Two trail maps:
Trail on the first map = 8 cm
Trail on the second map = 6 cm
Scale on first map = 1 cm : 2 km
A) What is the scale factor from the map to the actual trail?
For the first map, the scale factor is 1 cm: 2km. Therefore the actual trail is 8 centimeters * 2 kilometers = 16 km.
The scale factor of the second map is 16 km / 6 cm = 2.67 km : 1 cm
B) The length of the actual trail is 16 kilometers.
Scale factor is the factor by which the original figure is smaller or larger.
- A) The scale factor for the first is 1:200000.
- B) The length of the actual trail is 16 kilometre.
- C) Scale factor from the first map to the second map is 4:5.
- D) The side lengths of the landmark on the second map are 2.4 mm, 3.2 mm, and 4 mm.
Given information
The length of the trail on the first map is 8 cm.
The length of the trail on the second map is 6 cm.
1 cm on the first map represents 2 km on the actual trail.
- A)The scale factor from the map to the actual trail-
What is scale factor?
Scale factor is the factor by which the original figure is smaller or larger.
As for the first map, 1 cm represents the 2 kilometres. There are 100000 cm in 1 kilometres. Thus the 2 kilometre has cm,
[tex]1=200000[/tex]
Thus the scale factor for the first is 1:200000.
- B) The length of the actual trail-
The length of the first trail is 8 cm.As there are 2 km on the actual trail for the 1 cm in first map. Thus the length of the actual trail is,
[tex]=8\times2\\=16[/tex]
Hence the length of the actual trail is 16 kilometre.
- C) The scale factor from the first map to the second map-
The second map has a represent the 16 kilometre actual trail in 6 cm on the map. Thus the scale factor of the second trail is,
[tex]6=16000000\\2=320000[/tex]
The scale factor of the second trail is 2:320000.
The first trail and second trial both represents the same 16 kilometre actual trial on the map. Thus the scale factor from the first map to the second map is,
[tex]=\dfrac{\dfrac{1}{200000} }{\dfrac{2}{320000} } \\=\dfrac{4}{5}[/tex]
Scale factor from the first map to the second map is 4:5.
- D) The side lengths of the landmark on the second map-
A landmark on the first map is a triangle with side lengths of 3 mm, 4 mm, and 5 mm.
As, the scale factor from the first map to the second map is 4:5. Thus the length are multiplies by this ratio to get the side length of the landmark on second map.
[tex]=\dfrac{4}{5} \times3=2.4\\=\dfrac{4}{5} \times4=3.2\\ =\dfrac{4}{5} \times5=4\\[/tex]
Hence the side lengths of the landmark on the second map are 2.4 mm, 3.2 mm, and 4 mm.
Hence,
- A) The scale factor for the first is 1:200000.
- B) The length of the actual trail is 16 kilometre.
- C) Scale factor from the first map to the second map is 4:5.
- D) The side lengths of the landmark on the second map are 2.4 mm, 3.2 mm, and 4 mm.
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