Question

The ratio of the length of a playground to
its breadth is 6:7. Find its length if its
breadth is 240 m.​

Answer 1

Given:-

• The ratio of the length of a playground toits breadth is 6:7. Find its length if itsbreadth is 240 m.

To find:-

• The Length.

Solution:-

For Area:-

$= > formula = > \\ \\ \\ l \times b \\ \\ \\ = > let \: them \: be \: x. \\ \\ \\ = > 6x \times 7x = 240 \: {cm}^{2} \\ \\ \\ = > 42x = 240 \: {cm}^{2} \\ \\ \\ = x = \frac{240}{ { \: \: \: \: \: \: \: \:42 \: \: cm}^{2} } \\ \\ \\ = > x = \frac{120}{21} \\ \\ \\ = > x = \frac{40}{7} \\ \\ \\ = > x = 5 \: \: \frac{5}{7}$

Breadth in case of AREA is 5*5/7

FOR PERIMETER:-

$= > formula \: to \: find \: perimiter \: of \: a \: rectanlge = \\ \\ \\ = > 2 \times l + b \\ \\ \\ = > 2(l + b) \\ \\ \\ let \: the \: length \: and \: breadth \: be \: x \\ \\ \\ = > 6x \: \: and \: \: \: 7x \\ \\ \\ = > 2(6x + 7x) \\ \\ \\ = > 2 \times 13x \\ \\ \\ = > 28x \\ \\ \\ now \: \: \: \: \: \: \\ \\ \\ = > 13x \: \: \times \: \: 6 = length = > 78 \: cm \\ \\ \\ = > 13x \: \: \times \: \: 7 = breadth = > 91 \: cm$

hope it helped!

Answer 2

Answer:

5*5/7

Step-by-step explanation:

Breadth÷7

=>5*5/7

hope it helped!