What is the length of the wooden strip required to frame a photograph of length and breadth 32 cm and 21 cm respectively?

Solution:

Given: length and breadth of a photograph is 32 cm and 21 cm respectively.

We know that the shape of the given photograph is rectangular in shape and hence the length of the wooden strip required to frame it will be equal to the perimeter of the photograph.

Hence, the length of the wooden strip = Perimeter of the photograph

Perimeter of a rectangle = 2 (Length + Breadth)

Length = 32 cm, Breadth = 21 cm

Now, substituting the values of length and breadth in the perimeter formula we get,

⇒ 2 (Length + Breadth)

⇒ 2 (32 + 21)

⇒ 2 × 53

⇒ 106 cm

Thus, the length of the wooden strip required will be 106 cm.

NCERT Solutions for Class 6 Maths Chapter 10 Exercise 10.1 Question 4

What is the length of the wooden strip required to frame a photograph of length and breadth 32 cm and 21 cm respectively?

Summary:

The length of the wooden strip required to frame a photograph of length and breadth 32 cm and 21 cm respectively is 106 cm.

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