Question

17. Find the area of each figure. The dimensions are given in centimetres.
4
20
12
3
6
8
2
2
5
5
2
12
12
6
3
6 7
14
6
8
4
4
4
2
5
18
(1)
(
10)​

Answer 1

Step-by-step explanation:

Perimeter of Rectangle

square metre or square meter

The perimeter of a rectangle is the length of all its 4 sides. This can be represented using a model as below.

square metre or square meter

Perimeter = Length + Breadth + Length + Breadth

= 2 × Length + 2 × Breadth

square metre or square meter

Length + Breadth = Perimeter ÷ 2

Perimeter of Rectangle = 2 × Length + 2 × Breadth

2. Perimeter of Square

square metre or square meter

All sides of a square are equal.

Perimeter = Length + Length + Length + Length

= 4 × Length

Perimeter of Square = 4 × Length

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