Question

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The length of a rectangle is 20cm more than its breadth. If the perimeter is 100cm. Find the dimension of the rectangle ?

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Answer 1

Answer:

Between 1925 to 1931, Al Capone was the most powerful mob boss in Chicago. Born in Brooklyn, New York in 1899, Capone joined the James Street Boys gang during his youth, where he met his mentor Johnny Torrio. He followed Torrio to Chicago and eventually helped him run his bootlegging business.His use of extreme violence to hold onto his power, along with the very public execution of his rivals in the Saint Valentine's Day Massacre in 1929 made him unpopular, earning him the label "Public Enemy No. 1." With public pressure mounting to put Capone behind bars, the government was able to send him to prison for tax evasion in 1931. Sentenced to 11 years (he ultimately served eight), Capone suffered a stroke and then died of a heart attack in 1947.

Answer 2

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• We can take the breath be x.

Now, we have!

Given :-

Length = 20 cm

Breadth = x

Perimeter = 2(l + b) = 100 cm

Now,

Perimeter = 2(l + b)

$100 = 2(20 + x)$

$100 = 40 + 2x$

$40 + 2x = 100$

$2x = 100 - 40$

$2x = 60$

$x = \frac{60}{2}$

$x = 30$

• Hence, The Breadth of the rectangle will be 30 cm.