•3.1(A) - apply mathematics to problems arising in everyday life, society, and the workplace; •3.6(C) - determine the area of rectangles with whole number side lengths in problems using ...

You can only find the perimeter if the shape, area or space is closed ... we find the total length of all the sides. This rectangle has been drawn on centimetre squared paper, so you can count ...

Using cushions to build a fort, explore the concept of finding the largest area for a fixed perimeter. Surprisingly, there is no direct relationship between the perimeter of a rectangle and its area.

NCERT Solutions for Class 7 Maths (Chapter 11 - Perimeter and Area) are available here. With this article, you can access solutions for all the answers of Class Maths NCERT Textbook, Chapter 11.

You may choose any of the triangles as they are all the same area in a rectangle. The area of the shaded triangle can be worked out as either \( \frac{1}{4}\,\,\times16.3\,\times\,12.4 = 50.53\,m^{2} ...