The actual length of a painting was 2m .What is its length in the photograph, if the scale used is 1mm:20cm
Answers
Given : The actual length of a painting was 2m .
the scale used is 1mm:20cm
To Find : What is its length in the photograph,
Solution:
Let say Length in Photo graph = x mm
Scale used = 1 mm : 20 cm
1 mm length in photo = 20 cm in actual
=> x mm length in photo = 20x cm in actual
actual length of a painting was 2m
=> 20x cm = 2m
1 m = 100 cm
=> 2 m = 200 cm
=> 20x cm = 200 cm
=> 20x = 200
=> x = 10
length in the photograph = 10 mm
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Answer:
By using scal = 1mm: 20cm
actual length of a panting 2m
=20 × cm =2m
1m = 100
2m=200cm
= 20 × cm=200cm
=cm =200/20=10 cm
- Tanksh