Question

the actual length of a painting was 2 m what is its length in the photograph if the scale used is lmm: 20cm​

Answer 1

Yes as:-

2m = 200cm

then,

1mm:20cm. ......given

then,

10mm:200cm

Therefore the length of photograph os 10mm

Answer 2

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

Learn More:

A scale used on a map is 1:900,000. If the distance on the map ...

https://brainly.in/question/17096716

A 1-inch length in the scale drawing below corresponds to a length ...

https://brainly.in/question/26342369

Take a map of India. Note the scale used there. measure the map ...

https://brainly.in/question/2289673