Question

the area of a rectangular field is 3016 sq metre and its length is 58 M A boy runs around a field at rate of 8 km/hr. how long will it take to go 6 times around it​

Answer 1

area =3016 sqm

length =58m

speed 8km/hr.

3016sqm

Answer 2

The time taken is 0.165 hours.

Step-by-step explanation:

Given : The area of a rectangular field is 3016 sq meter and its length is 58 m. A boy runs around a field at rate of 8 km/hr.

To find : How long will it take to go 6 times around it​ ?

Solution :

The area of the rectangle is $A=l\times b$

$3016=58\times b$

$b=\frac{3016}{58}$

$b=52$

The breadth is 52 meter.

The perimeter of the rectangle is $P=2(l+b)$

$P=2(58+52)$

$P=2(110)$

$P=220\ m$

He go 6 times around it​.

So, the distance is $d=220\times 6$

$d=1320\ m$

Convert into km,

1 m = 0.001 km

1320 m=1.32 km

A boy runs around a field at rate of 8 km/hr.

The speed is 8 km/hr.

The time taken is

$\text{Time} = \frac{\text{Distance}}{\text{Speed}}$

$\text{Time} = \frac{1.32}{8}$

$\text{Time} =0.165$

Therefore, the time taken is 0.165 hours.

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