Question

. The breadth of a rectangle is 2/3 it's length.If the perimeter is 30cm find the length and breadth of the rectangle ​

Answer 1

LENGTH OF RECTANGLE=9 c. m

BREADTH OF RECTANGLE=6 c. m

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Answer 2

Answer:

The breadth of a rectangle is 2/3 of its length. If the perimeter is 30cm, the length and breadth of the rectangle ​are 9cm and 6cm respectively.

Step-by-step explanation:

• A rectangle is a type of polygon with four sides, which are two lengths and two breadths.

• The area of a rectangle if the length is (l) and breadth is (b)

        $A=l*b$

• The perimeter is the total boundary length $=2(l+b)$

From the question, we have

the perimeter of the rectangle $P=30cm$

let the length of the rectangle be $l$

the breadth of the rectangle $b=\frac{2}{3} l$

substitute the values in the perimeter

⇒$P=2(l+\frac{2}{3}l )$

⇒

$30=2*5l/3\\30=10l/3\\l=9cm$

therefore the breadth $b=\frac{2}{3} *9=6cm$