Question

Find the breadth of a rectangle whose length is 85 cm and perimeter is 280 cm?​

Answer 1

$\cal\huge\bigstar\underline{\underline\pink{Question:-}}$

Find the breadth of a rectangle whose length is 85 cm and perimeter is 280 cm.

$\cal\huge\bigstar\underline{\underline\pink{Answer:-}}$

Given:

Length of rectangle = 85cm

Perimeter = 280cm

To find:

Breadth of rectangle.

We know that :

Perimeter of Rectangle = 2(l+b)

$\sf\underline{\underline\pink{Solution:-}}$

let, breadth = x

$\orange\Rightarrow$ 2(l+b) = 280

$\orange\Rightarrow$2(85+x) = 280

$\orange\Rightarrow$170+2x = 280

$\orange\Rightarrow$2x = 280-170

$\orange\Rightarrow$2x = 110

$\orange\Rightarrow$x = $\frac{110}{2}$

$\orange\Rightarrow$x = 55

$\therefore$ The value of breadth is 55cm

$\sf\blue{hope\:it\:helps}$