Question

the area of rectangule 22 cm² if its breath is 7cm then find its length .​

Answer 1

Answer:

for the rectangle:

lenght, l = 22cm

breadth, b = 7cm

for the cylinder:

circumference = 22cm

2πr = 22

2*(22/7)*r=22

2r/7 = 1

r = 7/2 cm = 3.5cm

height = 7cm

total surface area, TSA

= 2πr(r+h)

= 22(3.5 + 7) (∵ 2πr = 22cm)

= 22(10.5)

= 231 cm²

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Answer 2

$Length \: of \: a \: rectangle \\ = \frac{Area }{breadth}$

$Length = \frac{22}{7}$

$Length = 3.14$