Question

3. A wire bent in the shape of a rectangle. Its length is 30cm and breadth is 15em and if the same wire is rebent in the shape of a square. What will be the measure of slides and which encloses more area​

Answer 1

Answer:

22.4 will be ach side

Step-by-step explanation:

as the perimeter will be 30 + 30 +15 + 15 = 90

90÷4 = 22.5

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Answer 2

Answer:

A wire bent in the shape of a rectangle. Its length is 30cm and breadth is 15cm and if the same wire is rebent in the shape of a square. Hence square shape encloses more area.

Step-by-step explanation:

Length of the rectangle = 30 cm

Breadth of the rectangle = 15 cm

Since the same length of wire is used to form a rectangle and square, we can say that,  

perimeter of square = perimeter of the rectangle

4 × Side = 2 (Length + Breadth)

4 × Side = 2 (30 + 15)

4 × Side = 2 × 45

4 × Side = 90

Side = 90/4

Side of square = 22.5 cm

Area of square = side × side

= 22.5 cm × 22.5 cm

= 506.25 sq.cm

Area of rectangle = Length × Breadth

= 30 cm × 15 cm

= 450 sq.cm  

Hence, square shape encloses more area.