The actual length of a painting was 2 m. What is its length in the photograph if the scale used is 1 mm : 20 cm.

Solution:

It is given that

Actual length of painting = 2 m

Scale used in the painting = 1 mm: 20 cm

We know that

Length of painting in photograph = scale x actual size

= (1/20) x 200

= 10 mm

Therefore, the length of the painting is 10 mm.

✦ Try This: The distance between school and house of a girl is given by 6 cm in a picture, using the scale 1 cm : 6 km. Find the actual distance between the two places?

☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 10

NCERT Exemplar Class 8 Maths Chapter 6 Problem 100

The actual length of a painting was 2 m. What is its length in the photograph if the scale used is 1 mm : 20 cm.

Summary:

The actual length of a painting was 2 m. The length in the photograph if the scale used is 1 mm : 20 cm is 10 mm.

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