Question

a rectangle has perimeter of 50 cm and width of 10 centimetre find the length​

Answer 1

Answer:

$\huge\orange{15cm}$

Step-by-step explanation:

Given:

Perimeter of Rectangle = 50cm

Breadth (b) = 10cm

Length (l) = ?

According to the Q,

$> > Perimeter = 50cm$

$> > 2(l + b) = 50$

$> > 2(l + 10) = 50$

$> > (l + 10) = 25$

$> > l = 25 - 10$

$\orange {> > l = 15cm}$

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Answer 2

Answer:

lenght = ?

breath = 10 cm

perimeter = 50 cm

2( l + b ) = 50 cm

2( l + 10) cm = 50 cm

(2l + 20) cm = 50 cm

2l = 50cm - 20 cm

2l = 30 cm

l = 30cm/2

lenght = 15cm

Step-by-step explanation:

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