Question

4. The length of a rectangle is two times the breadth. Find the measure of the
sides of the rectangle, if the perimeter is 36 m.​

Answer 1

Answer:

B = 6 m , L = 12 m

Step-by-step explanation:

Take breadth as B

Now L is 2 times of B so take it 2 B

P. of rectangle = 2 ( L + B )

36 = 2 ( 2 B + B )

36 = 2 × 3 B

36 = 6 B

36/6 = B

6 m = B

Length is two times the breadth so 2 B = 2 × 6

= 12 m

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Answer 2

Answer:

Length = 6m, breadth = 12m

Step-by-step explanation:

Let the length of a rectangle = x

then, breadth = 2x

Perimeter of a rectangle = 36m

2(l+b) = 36

2(x+2x) = 36

so, 2 in LHS comes to RHS side then it becomes division

x+2x = 36/2

x+2x = 18

3x = 18

so, x = 18/3

x = 6m

so, length = x = 6m

breadth = 2x = 12m.

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