Question

the perimeter of rectangle is 42 cm and its width is 7 cm find its length
with steps​

Answer 1

$\huge{\boxed{\rm{\red{Given \: that}}}}$

• Perimeter of rectangle = 42 cm
• Width of rectangle = 7 cm

$\huge{\boxed{\rm{\purple{To \: find}}}}$

• Length of rectangle

$\huge{\boxed{\rm{\green{Formula}}}}$

✩ Formula of perimeter of rectangle is given below ✍

2 (L + B)

$\huge\red{\mid{\fbox{\tt{Solution}}\mid}}$

Perimeter = 42 cm

Width = 7 cm

Length = x

Perimeter = 2(l+b)

2 (x+7) = 42

2x + 14 = 42

2x = 42 - 14

2x = 28

x = 28 / 2

x = 14 cm

$\bold{\pink{\fbox{\red{So the required Answer is 14 cm}}}}$

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Answer 2

42/7

6 .................